12. How many of the following reagents should transform cyclohexene to alcohol after normal workup? (I) BH3 then H2O2/OH-(II) OsO4 then NaHSO3 (III)Hg(OAc) 2then NaBH4 (IV) MCPBA then H2O/H+ (A)1 (B)2 (C)3 (D)4

2. How many of the following statements is/are correct? (I) Gauche form is the most stable conformer of butane. (II) In cyclopropane, the maximum electron density between two carbon atoms corresponds to the internuclear axis. (III) According to Bacyer strain theory, cyclopentane has greater angle strain than cyclohexane. (A)0(B)1 (C)2 (D)3

12. How many of the following reagents should transform cyclohexene to alcohol after normal workup? (I) BH₃then H₂O₂/OH^-(II) OsO₄then NaHSO₃ (III)Hg(OAc) ₂then NaBH₄ (IV) MCPBA then H₂O/H⁺
(A)1
(B)2
(C)3
(D)4

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