Page 1 :
q7., , Q10., , GROUP THEORY, TEST QUESTIONS, Date 15 dec, 2021, Duration: 45min, , How many rotational opoeration are there in C6, a) 2, , b) 3, , ch} 4, , d) 5, , How many axis of rotation are there for dz? orbital, a) 1, , b) 2, , c} 2, , d) none of these, , For a molecule having nC,, and mC,, axis of rotation with m > n the principal axis of, rotation will be, , a) Cy, , b) Cn, , c) n, , d) M, , The maximum and minimum number of centre of symmetry are, a) Oand1, , b) land, , c) landO, , d) Both band c, , The compound P;H, has, , a) Centre of symmetry in staggered conformation, b) Centre of symmetry in eclipsed conformation, ¢) Bothaandb, , d) None of the above, , PtCl, molecule has, , a) Nocentre of symmetry, , b) Centre of symmetry, , c} Nocentre of symmetry sometimes, , d) Centre of symmetry sometimes, , The number of operation and the symmetry elements in Cs are, a) lande, , b) land£é,a, , c} 2andE,a, , d) None of the above, , Dnh point group belongs to the, , a) Staggered conformation of ethane, , b) Eclipsed conformation of ethane, , c) Bothinaandb, , d) None of the above, , What is the order of the point groups D, and C,, , a) 4and1, , b) 4and2, , c} Sand2, , d) 8and1, , S} is equivalent to, , a) Cy, , b) a, , c) E, , d) None of the above