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Page 1 of 6, , Aroma Chemistry Classes, MULTIPLE CHOICE QUESTIONS, 1. The lightest, , particle, , is, , (1), , Mn2, , (3) Co, 5, , If an clectron, and, , a magnetic, present in an:, (1) 'd', (3) p', , orbital, orbital, , Fe2, , (4), , Ni, , has spin quantum number, , A, (2), , of +,, , of -1, it can not, , be, , orbital, , (4) s' orbital, , 6. The density of neutron is of the order, (1) 10 kg/cc, (2) 10" kg/cc, (3) 10" kg/cc, (4) 10 kg/cc, 7. Krypton (36Kr) has the electronic configuration, , on will go into, (18Ar) 4s 3d 4p. The 37th el, which of the following sub lev, (4) 5s, (2) 4d, (3) 3p, (1) 4f, 8. If uncertainty, in position of an electron is zero,, the uncertainty, in its movement would be :, , (1) Zero, (3) <h/2, , (2)> h/2, , (4) Infinite, , evidence for the existence of the, atomic nucleus comes from:, , 9. Experimental, , Millikan's oil arop experiment, , (2) Atomic emission spectroscopy, (3) The magnetic bending of cathode rays, (4) Alpha se, ing by a thin metal foil, outermost, o, trons, 10. Number, in, , the element, , (1), , j, u, n, , (2), , number, , r, i, S, , (1), , Positron, (2) Proton, Neutron, (4) a-particle, 2. a-particle is identical with, (1) Protium nucleus, (2) Deuterium nucleus, (3) Positron, 4) Helium nucleus, 3. Rutherford's scattering experiment is, related to, the size of the:, (1) Nucleus, (2) Atom, (3) Eloctron, (4) Neutron, 4. Which of the following transition metal cations, has maximum unpaired electrons:, (1), (3), , 1, , the, , of atomic number, , (2) 3, , (3) 5, , orbit of, , 15 is, (4) 7, , The shape of s-orbital is :, (2) Spherical, (1) Pyramidal, (4) Dumb-bell shaped, (3) Tetrahedral, 12. Which of the following principles/rules limits the, maximum number of electrons in an orbital to, , 11., , two, , ?, (1) Aufbau's principle, (2) Pauli's exclusion principle, e of maximum multiplicity, (3) Hund', (4) Heise, uncertainty principle, , pairs represents, of the following, isobars ?, (2)12Mg and 12Mg25, (1) 2He and 2He", 10, (4) 19k, and 18Ar40, and 20, (3) 19k, 14. The positron has a charge equal to that of, (2) An a-particle, (1) A proton, 13. Which one, , (4) An electron, (3) A neutron, 15. CO has same electrons as:, (2) CN, (3) 0, (1) N, (4) O2, 16. Nitrogen atom has 3 unpaired, electrons, this can, be explained as due toD:, (1) Pauli's exclusion principle, (2) Aufbau principle, (3) Heisenberg's uncertainty principle, (4) Hund's principle, , 17. Which of the following is a whole number?, , Online Plateform of Chemistry

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Page 2 of 6, , Aroma Chemistry Classes, (2) Atomic radii, (4) Atomic number, , (1) Atomic weight, (3) Equivalent weight, , does not forrm, 18. Which of the following staiements, atom?, hydrogen, the, part of Bohr's Model of, quantized, is, orbit, the, in, electrons, (1) Energy of the, has, nucleus, the, nearest, (2) The electron in the orbit, the lowest energy, (3) Electrons revolve in different orbits, , around the, , nucleus, (4) The position and velocity of the electrons in the, orbit can not be determined simultaneously, 19. The magnetic quantum number for valence, , electron, (1) 3, , of sodíum, (2) 2, , 20. Electromagnetic, , length is:, (1) Ultra violet, , is:, , (4) 0, , (3) 1, , with maximum wave, , radiation, , 21. The value of azimuthal, sub-shell is, , mined is a statement of:, , quantum number, , of, , (3) 1, (4) 3, (1) 2, (2) 4, 22. One orbital consists of maximum electrons, (2) 1, (1) 2, (3)8, (4) 8, 23. The total number of electrons that can be, , 36. The ion that is isoelectronie, , ber 1 is:, , (2) 4, , ac, , principal, quantum num-, , (3) 6, , (4) 8, , 24. No two electrons in an atom of an element have:, (1) The same principal quantum number, (2) The same azimuthal quantum number, (3) The same magnetic quantum number, (4) An idential set of quantum number, 25. Proton is :, (1) Alpha particle, (2) Deuterium nucleus, (3) Ionized hydrogen molecule, (4) Ionized hydrorgen atomn, 26. Bohr's atomie model is based on:, (1) Dalton's atomic theory, (2) Quantum theory, (3) Theory of electrolytic dissociation, (4) Law of mass action, 27. The increasing order (lowest first) for Une value, of e/m (charge/mass) is for:, , (1) e, p,, , A, , a, , p,, a, P e, 28. Magnetic quantum number specifies:, (1) Size of orbitals, (2) Shape of orbitals, (3) Orientation of orbitals in space, (4) Nuclear stability, n,, , (3) n, p, a, e, , (2) n,, (4) n,, , e,, , 29. Rutherford's experiment, on scattering, ticles showed for the first time that, , a- par, the atom, of, , has:, (1) Electron, (3) Nucleus, , (1) NO*, (3), , j, u, n, , 2 and azimuthal, , r, i, S, , (1) Heisenberg's uncertainty principle, (2) Aufbau principle, (3) Pauli's exclusion principle, (4) de Broglie's wave concept of electron, , g, , in all orbitals having, , quantum number, (1) 2, , (4) E. Rutherford, (3) G.T. Seaborg, 35. That the position and velocity of small particles,, e.g, electrons, cannot be simultaneously deter-, , (2) Radio wave, (4) Infra red, , (3) X-ray, , commodated, , *32. Cathode rays are deflected by, (1) An electric field only, (2) A magnetic field only, (3) Neither electric nor magnetic field, (4) Both electric and magnetic field, 33. An elementary particle is:, (1) A element present in a compound, (2) An atom present in an element, (3) A sub-atomic particle, (4) A fragment of an atom, 34. Neutron was discovered by:, (2) J. J. Thomson, (1) James Chadwick, , (2) Protons, (4) Neutrons, , 30. Atoms with the same mass number but having, different nuclear charges are called:, (2) Isotones, (1) Isotopes, (4) Isochores, (3) Isobar, 31. Positron is nearly as heavy as, (2) Proton, (1) a-particle, (4) Deuteron, (3) Electron, , 02, , with CO is, , (2) O, , (4), , N, , 37. If the mass number of an element, atomic number is N, then, (1) Number of e = W-N, (2) Number of 1H = W-N, (3) Number of on* = W-N, (4) Number of, , 38., , is W and its, , on' =N, , An atom has 2 electrons in K shell, 8 electrons, in L shell and 6 electrons in M shell. The number, of s-eleetrons present in that element is:, (1) 6, , (2) 5, , 3) 7, , (4) 10, , *39., , The ratio of the energy of a photon of 2000 wave, length radiation to that of 4000A radiation is :, , 40., , A neutral atom, , (1) 1/4, , (2) 4, , (3) 1/2, , (atomic, , (4) 2, , number > 1) consists of:, , Only protons, Neutrons + Protons, Neutrons + Electrons, Neutrons Protons + Electrons, *41. Which ion has maximum magnetic mor, ent, (1), (2), (3), (4), (1), , v*, , ?, , (2) Mn**, , 3) Fe**(4) Cu*, gives a way to fill the electrons, energy levels is:, , 42. Principle which, in the available, (1) Hund's rule, (2) Aufbau's principle, (3) Pauli's exclusion principle, (4) None of the above, 43. In which of the orbit of He ion,, angular, momentum of the electron is h/2 ?the, (1) Second orbit, (2) Fourth orbit, (4) First orbit, (3) Third orbit, 44. Bohr's concept of an orbit in an atom contradicts, (1) de Broglie relation, (2) Uncertainty principle, (3) Pauli's principle, (4) Hund's rule, 45. Neutrino has:, (1) Zero charge, zero mass, (2) Unit charge, unit mass, , Online Plateform of Chemistry

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Page 3 of 6, , Aroma Chemistry Classes, (8) Unit, , negatie, , charge,, , Unit mass, zero chargeunit mass, 46. The shape of 2p, orbital is, (1) Spherical, (2), (4), , (2) The valency number, (3) The chemical activity, (4) The number of neutrons, , a, , Elliptical, , (3) Dumb-bell, , 47., , The nucleus, , of an, , 3)4, , atom, , G1., , X and Y are both even, X and Y are both odd, X is even and Y is odd, X is odd and Y is even, *49. The values of magnetic, quantum numbers for an, electron when the value of Principal, Quantum, No., (1), , (2) Spin angular momentum, (3) Orbital angular momentum, (4) Orientation of the orbital in, , *62. Which of the, , represents, , 63., , 3rd orbit of H-atom, the 5th Bohr orbit, , j, u, n, , (1) 5v, , 52., , cm, cm, , (2) 3u/5, (3) 50/3, (4) 15 v, Discovery of the nucleus of an atom is due to, the, , experiment, , out by, , carried, , (1) Bohrr, (2) Moseley, (3) Rutherford, (4) Thomson, 53. Transition, of an electron from n=3, , n, , =1 level results, , in, , :, , (1) X-Ray spectrum, (3) Band spectrum, , level to, , (2) Emission spectrum, (4) Infra-red spectrum, determination of exact position, , A, , 54. Simultaneous, energy of an electron, (1), (2), (3), (4), , 55., , 56., , 57., , 58., , Possible, , Impossible, , is:, , and', , Sometimes possible sometimes impossible, None of the above, An electrically charged atom ora group of atoms, is known as:, (2) A Photon, (1) An ion, (4) A Cyclotron, (3) A Meson, Which of the following atoms and ions are is0, electronic with neon atom ?, *s 1, (2) N, (1) Oxygen atom, (4)F, 3) Mg, Atomic weight of an element is not necessarily, whole number because:, (1) It contains electrons, neutrons and protons, (2) It contains allotropie. 1ormssriege sat st, (3) It contains isotopes, indivisible, (4) Atoms are no longer considered, is based on the:, an, element, The atomic number of, (1) Atomic weight, atom of the element, (2) Number of neutrons in an, atom, of the element, an, (3) Number of protons is, vapour, T, (4) Density of its, , :, 59. Isotopes differ in, protons, (1) The number of, , of an atom, , is, , 64., , space, , following sets of quantum numbers, , an inmpossible arrangement, , r, i, S, mi, , 4, (2) 2, (3) 9, (4) 6, 50. The radius of an, atomic nuclei is of the order, of:, , 10 cm, (2) 10(3) 107 cm, (4) 10°, 51. The velocity of electron in the, is u cm sec. Its velocity in, will be:, , number, , to, , is 2:, , (1), , The principal quantum, related, the:, (1) Size of the orbital, , Y, , (1), (2), (3), (4), , (2) Velocity and mass, (4) Distance from nucleus, , (1) Mass only, (3) Position, , (4) 1, , is made up of X protons, and neutrons;, for the most stable and, abundant, nuclei :, , length, , electron and the, , 29 is:, , (2) 3, , describes the relationship, associated with the motion of an, , de Broglie cquation, , of wave, , Total number of unpaird, atom of atomic number electrons in an unexcited, (1) 2, , 48., , *G0., , (4) Pyramidal, , (1) 3, 2, (2) 4, (3) 3, 2, 3, 5, Thee, number, 1s2, 2s 2p" is:, (2) 0, (1) 3, , 1/2, 1/2, 1/2, , -2, , 3, 0, , of, , ?, , m2, , -1/2, , unpaired, , (3) 2, , electrons, (4), , 1, , The nitrogen atom has 7 protons and 7 electrons., , The nitride ion will have:, (1) 7 protons and 10 electrons, (2) 4 protons and 7 electrons, (3) 4 protons and 10 electrons, 4) 10 protons and 7 electrons, 65. Which of the following oxides, isoelectronic with CO2 ?, (1) N203, (2) NO, (3) N20, (4) NO2, 66. An isotone of S2Ge is:, (1) %Ge, , (2), , 3As, , 3Se, , (4), , 3se, , (3), , 67. Which of, , (3), , 1s,, 1s, 242p5, 3s2, , (2), (4), , 1s, 2s 2p, 1s, 23 2p6, 32 3p2, , (1) Na" and Ne, (3) Ne and O, (1) 0, , 19,, , isoelectronic with one, , another:, , How, , is, , the following represents an alkaline, , earth metal:, 2s1, (1), , of nitrogen, , 68. If a certain element has an atomic number, the element is ?, (1) A metal with O.N. +1, (2) An inert gas, (3) A non-metal with O.N. -3, (4) A metal with O.N. -3, d, 69. Neutral atom contains:, (1) Equal no. of protons and neutrons, (2) Equal no. of protons and, electrons, (3) Equal no. of neutrons and, electrons, (4) None of the above, 70. Which of the following are, , 72., , in, , many unpaired, (2) 2, , (2) K and O, (4) Nat and K*, electrons are there in Ni*?, , (3), , (4) 8, , Rutherford's alpha particle scattering experiment, eventually led to the conclusion that:, (1) Mass and energy are related, , Online Plateform of Chemistry

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Page 4 of 6, , Aroma Chemistry Classes, , (1) They havo inolopes, (2) Their isotopes have non-intogral ma»ses, (3) Their isotopes huvo difTerent masse, (4) Tho constituonts, neutrons, protonn and electrona,, combine to givo fractionnl massos, , (2) Electrons occupy space around the nucleus, (3) Neutrons are buried decp in the nucleus, (4) The point of impact with matter can be precisely, , determined, set of four quantum numbers for the, valence (outermost) elcctron of rubidium (Z=37), is, , 73. Correct, , 74., , (1) 5, 0, 0, +1/2, (3) 5, 1, 1, +1/2, The sum of the, , (2) 5, 1, 0, +1/2, (4) 6, 0, 0, +1/2, number of neutrons and protons, , in the isotope of hydrogen is, (1) 6, , :, , only, , 79,, , (3) The spectrum of hydrogen molecule, (4) The solar spectrum, For Li", the radius of third Bohr orbit is:, (1) 0.529 x33Å, (2) 0.529 x3 Å, (3) 0.529 x 3Å, (4) 0.529 x 3A, , (4) All, , 4f,, , A, , [Kr, , 6s*5p" 5d', 6s belong to:, , s-block, (3) d-block, 81. A species X, , (2) p-block, (4) f-block, , contains 9 protons, 10 electrons and, l1 neutrons. Predict whether it is:, (1) A neutral atom, (2) An isotope, (3) An anion, (4) A cation, 82. An ion which has 18 electrons in the outermost, shell is, (1), , Cut, , (2) Th**, , (4) Cs*, 83. The atomic number of an atom is equal to :, (1) The number of neutrons in the nucleus, (2) The sum of the number of electrons and protons, (3) The sum of thenumber of electrons, protons and neutrons, (4) The number of protons in the nucleus, 84. When beryllium is bombarded with alpha par., (Chadwick's, experiment) extremely, ticles, (3) K*, , (1) 5, , These are:, , field, , are, , given, , out ?, , A beam of protons, Alpha rays, A beam of neutrons, A beam of neutrons and protons, 85. Many elements have non-integral atomic masses, because:, (1), (2), (3), (4), , (3) 7, , (2), , naturo of, , rays, (1) Nature of residual gas, (2) Nature of electrode, (3) Nature of discharge tube, , 89. The, , anode, , (2) Charge, , of, , unpaired, , (4) 3, , ends upon, , :, , only, , and charge (4) Mass and charge both, 91. Penetration power of proton is, (1) Greater than electron, (2) Less than electron, (3) Greater than neutron, (4) None, 92. The fundamental particles present in the nucleus, (3) No mass, , of an atom are:, , Alpha particles and electrons, Neutrons and protons, Neutrons and electrons, Electrons, protons and neutrons, 93. When an electron jumps from L and K shell ?, (1) Energy is absorbed, (2) Energy is released, (3) Energy is neither absorbed nor released, (4) EnergY is sometimes absorbed and sometimes, released, 94. For energy level quantum, number n =3 the num, (1), (2), (3), (4), , ber of, (1) 1, (3) 3, , possible orbitals are:, (2)4, (4) 9, , 95. A, , filled or half filled set of p or d orbitals is, sphericaly symmetric. Point out the species, which has spherical symmetry, (1) Na, , penetrating radiations, which cannot be deflected, , by electrical or magnetic, , r, i, S, , 18, 2 2p", 3s3p the numbor, electrons in this atom is, , j, u, n, , 80. The element having electronic configuration, , rays, rays, , 87. Which of tho following stntoment is incorroct ?, (1) Isobars possess samo chemical properties, (2) Isotopes occupy samo position is periodic tablo, (3) Isotopes posses8 Bamo atomic number, (4) In isobars the total number of protons and neutrons, in tho nucleus is samo, configuration,, olectron, the, 88. Given, , (4) All, 90. Cathode rays have:, (1) Mass only, , The discovery of neutrons became very late because:, (1) Neutrons are present in the nucleus, (2) Neutrons are fundamental particles, (3) Neutrons are chargeless, , 4d, (1), , (1) Definitely alpha rays, (2) Definitcly beta rays, (3) Both alpha and bota, (4) Eithor alpha or beta, , (2), , (4)3, (3)4, 75. Any p-orbital can accommodate upto :, (1) Four electrons, (2) Six electrons, (3) Two electrons with parallel spins, (4) Two electrons with opposite spins, *76. Which electronic level would allow the hydrogen, atom to absorb a photon but not to emit a photon ?, (1) 3s, (2) 2p (3), (4) ls, 2s, *77. Bohr model can explain:, (1) The spectrum of hydrogen atom only, (2) Spectrum of an atom or ion containing one electron, , 78., , radintions from a nnturally oceurring, radionctive substance, ns Beon nftor doflectlon, by n magnetic fiold in ono direction aro:, , 86. Tho, , J6., , (2) C, , (3), , CI, , (4) Fe, , many electrons can fit into the orbitals that, comprise the 3rd quantum shell n =3 7, How, , (1) 2, (2)88, (3) 18, (4) 32, 97. That it is impossible to, determine, simultaneously, the position and velocity, of small particles such, as electron, is statement of:, (1) Exclusion principle, (2) Aufbau principle, , Online Plateform of Chemistry

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Page 5 of 6, , Aroma Chemistry Classes, ($) Heisenberg's principle, (4) Ritz combination principle, , 98. Which of the following, is thnt of n transition electronie configurations, olement ?, (1) 1s, 2s"p",3s*p 10, 4s*p, (2) 1, 2sp", 3s*p°d 0, 4s*p, (3) 1s, 2p", 3s*p"d2,, 42, (4) 1s, 2s"p", 3s*p", 4s, 99. A, , helium molecule is moving with a, velocity of, ms nt $00 k. Tho, vwave, de-Broglio, length is about, 2.40 x 10, , (1) 0.416 nm, (3) 803 A, , (2) 0.83 nm, (4) 8000 A, , 100. In the, , hydrogen atom electrons are, oxcited to, qunntum level. How mnny difforent, linCs, may apponr in tho spectrum, ?, the 5th, , (1) 4, , T0.Tne, , (2) 12, , (3)8, , tollowing stntement(s), , hydrogen ntom:, the, (1), , (4) 10, , is (aro) incorrect for, , It exists in two isotopic forms, (2) Its electronic configuration, is 1s, (3) It hns no neutron in its nucleus, (4) It is the smallest atomn, 102. The wave length ofn spectralline, for an electronic, transition is inversely related to:, (1) The number of electrons undergoing transition, (2) The nuclear charge of the atom, (3) The difference in the energy of energy levels involved, in the transition, (4) Velocity of electron undergoing transition, 103. Two electrons present in K-shell aro distinguished, , (1), (2), (3), (4), , I10. The ratio of the, , orbits is:, (1) 1: 0.5, (3) 1:4:9, , A, , a-rays, 106. The correct ground state electronic configuration, atom is:, of chromium, (2) 3d 4s, (1) [Ar] 3d5 4s, (4) 4d5 4s, (3) 3d6 4, 107. Which of the following represents correct set of, the four quantum numbers of a 4d-electron:, (1) 4, 3, 2,, , (2) 4, 2, 1, 0, , +, (4) 4, 2, 1,, 3,-2,, 108. Which of the following electronic transition in a, hydrogen atom will require the largest amount, , (3) 4,, , ?, to n = 3, (1) From n=1 ton=2 (2) From n =2, to n =5, n=3, 1, From, (3) Fromn =*o to n = (4), to, , of enerEy, , 109. Millikan's oil drop experiment is used, (1) e/m ratio of an electron, , find:, , 2: 3, , 1: 8: 27, oxperiment, , r, i, S, spectrum of He is expected, , that of, (1) H, , are, , (1), (2), (3), (4), , (2), , exnctly, , discovery, , Li, , (3) Na, , to be similar to, (4) He*, , alike, , was proved, , incorrect, , by the, , of:, , Isobars, X-ray and radioactivity, Isotopes, Allotropy, , Indicnte the atomic number of the oloment in, , pletod:, (1) 45, , 117., , pron, , postulate that all the atoms of an element, , which filling, , (4), , +, , 4), , (1) d-y, and dz orbitals, (2) dyz and dxz orbitals, (3) dry and dyz orbitals, (4) day and dez orbitals, , 115. The, , 116., , (2) X-rays, , (1) 7-rays, (3) P-rays, , (2) 1:, , Decronses, Remains the same, Increnses, First decronses and then increnses, 113. Tho following figures show the angulnr, bility distribution of, (1), (2), (3), (4), , Size of the orbital, Spin angular momentum, Orbital angular momentum, Space orientation of tho orbital, , 105. Non-materialistic radiations are, , radii of the first three Bohr, , showed tlhnt, Davisson nnd Germor's, (1) P-particles are electrons, (2) Electrons come from tho nucleus, (3) Electrons show wave naturo, (4) None of the abovo, 112. As we move away from the nuclous, tho energ, of the orbit:, , 114. The, , of an electron, , : 0.33, , 111., , j, u, n, , by, (1) Principal quantum number, (2) Azimuthal quantum number, (3) Magnetic quantum number, (4) Spin quantum number, quantum number, 104. The nzimuthal, , represents:, , (2) Charge on an electron, (3) Mass of an electron, (4) Volocity of an electron, , of 4d orbitals, , (2) 48, , (3) 46, , by electron, , is com-, , (4) 40, , The spectral line corresponding to the radiation, emitted by electron jumping from sixth orbits to, second belongs to:, (1) Lyman series, (3) Paschen series, , (2) Balmer series, (4) Pfund series, , 118. Study on multiplicity of spectral lines was madde, by:, (1) Bohr, (2) Sommerfeld, (3) de-Broglie, (4) None of them, 119. Which one of the following explains light, as a stream of particles and wave motion both, (1) Diffraction, (2) A= h/p, (3) Interference, (4) Photoelectric effect, 120. Degenerate orbitals are of:, (1) Same energy, (2) Nearly equal energy, (3) Different energy, (4) None of them, , Online Plateform of Chemistry

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Page 6 of 6, , Aroma Chemistry Classes, , ., , (1), , 11. (2), 21. (2), 31. (3), 41. (3), 51. (2), 61. (1), 71.(2), 81. (3), 91. (2), 101. (1), , 111. (3), 121. (3), 131. (3), 141. (2), 151. (3), 161. (2), , 2.(4), 12. (2), , 22. (1), 32. (4), 42. (2), 52. (3), 62. (3), 72. (2), 82. (1), 92. (2), 102. (3), , (2), , (3), (4), (2), , 113. (1), 123. (2), 133. (2), 143. (4), 153.(4), 163. (2), , 4.(1), 14. (1), 24.(4), 34. (1), 44. (2), , 5.(4), 15. (2), , j, u, n, , A, , 112. (3), 122. (4), , 132., 142., 152., 162., , 3. (1), 13.(4), 23. (3), 33. (3), 43. (4), 53. (2), 63. (1), 73. (1), 83. (4), 93. (2), 103.(4), , 54., , (), , 64, , 74. (4, , 84. (3), 94. (4), 104. (3), , 114. (2), 124. (4), 134. (1), 144. (1), 154. (1), 164. (2), , 25.(4), 35. (1), 45. (1), 55. (1), 65. (3), 75.(4), 85. (1,3), 95. (3), 105. (1,2), , 115. (3), 125. (4), 135. (1), 145. (4), (2), , uu. (1), , r, i, S, , 6.(4), 16. (4), 26. (2), 36. (1), 46. (3), 56. (4), , 66.(4), 76. (1), 86. (4), 96. (3), 106. (1), 116. (2), 126. (1), 136. (3), 146. (2), 156. (4), 166. (1), , 7.(4), , 8.(4), , 17.(4), 27.(4), 37. (3), 47.(4), 57. (3), 67. (3), 77. (2), , 18.(4), 28. (3), 38. (1), , 87. (1), 97.(3), 107.(4), , 117. (2), 127. (1), 137.(1), , 147.(2), 157.(2), , 167. (1), , 9.(4), , 19.(4), , 29. (3), 39. (4), 49. (1), 59. (4), 69. (2), 79. (3), , 10. (3), 20. (2), 30. (3), 40. (4), 50. (2), 60. (2), , 48.(1), 58. (3), 68. (1), 78. (8), 88. (4), 98. (3), 108. (1), , 99. (1), 109. (2), , 100.(4), , 118. (2), 128. (3), 138. (4), 148. (1), 158. (2), 168. (3), , 119. (2), 129. (3), 139. (3), 149. (3), 159. (2), 169. (3), , 120.(1), , 89.(1), , Online Plateform of Chemistry, , 70.(1), 80.(4), 90. (4), , 110. (3), , 130. (2), 140. (2), 150. (1), 160.(4), , 170. (4)