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Seat No:, , Samarth Junior College, BELHE, TAL-JUNNAR,DIST-PUNE. 412 410, , AMINATION -2021-22 Std - XU, , 2022, eG Mark: 70, , , , General Instructions: The question paper is divided into four sections., 4)Section A:Q.No.1 contains Ten multiple choice type of questions carrying one, mark each.Q.No.2 contains Eight very short answer type of questions carrying, one mark each., , 2)Section B:Q.No.3 to Q.No.14 contains Twelve short answer type of questions, carrying Two marks each., , 3)Section C:Q.No.15 to Q.No.26 contains Twelve short answer type of questions, carrying Three marks each., , 4)Section D:Q.No.27 to Q.No.31 contains five long answer type of questions carrying four marks each., , 5)Use of log-table if allowed. Use of calculator is not allowed., , 6)Figures to the right indicate full marks., , 7)For each MCQ correct answer must be written along with it's alphabet., , , , Molar gas constants’=8.314 J K-1 mol-1 Avogadro's constant=6.022x 1079, , Section-A, Q.1 Select and write the correct answer: (10), i) The product obtained in the following reaction. ., 2 Sey NE INUES, cHgCH=Ch-cHs G-H oy ne, °, , a)Pent-3-en-1-ol b)Pentan-1-ol c)Pentan-2-ol c)Pentanal, ii) The following types of solid contain molecules as, , a)molecular solids b)lonic solids, , c)Metallic solids d)Covalent network, iii) The correct IUPAC name of Nas[AIFe] is....., , a)Sodium hexafluoroaluminate(|!!) b) Sodium hexafluoroalumininium(II!), , c) Sodium hexafluoroaluminate(|!) d) Sodium hexafluoroalumininium(I), iv) The pH of 10°M of HCI is, , a)8 b)7 c) Less than 7 d) greater than 7, v) Number of carbon atom in isoprene unit is, , a)6 b) 5 c)4 d)3, vi) Most stable oxidation state of titanium is.., , a)+2 b)+3 c)+4 d)+5, , f