22) Attempt any three of the following. a) Discuss the sterecochemistry of hydrindane, mentioning its confermations, stability and optical activity. b) Write a note on Cram's my 9.538 c) stability Explain the ener and trans (With Symmetrical substituents) reactions. d) Draw all ii) 117.212.22nformations of following compounds mention their 3C changes associated with respect to solvolysis of cis Ver butyl cyclohexyl tosylate Fer S1 and $2. OH ***** 2445 Th 1 CH Q3) Give reasons (any four) a) www, chy CAAP010261 [12] A Solvent sensitive uv absorption band is cis-5- cyclo decenone. 117.212.245.118 22/06/2023 14:29:53 CAAFQ10261 2.24118 28/06/2023 14:29:53 [12] trans-but not in cis-anti-cis perhydro phenanthrene. c) In 6-membered ring usually the reactions involving charge in hybridiza- tion From Sp Sp are more Favoured than Sp Sp.