Which set of reagents are needed to carry out rise following transformation? BH_

Question

Which set of reagents are needed to carry out rise following transformation? BH_3 H_2O_2/^-OH Hg(OAc)_2/H_2O, NaBH_4 DBU H_2SO_4/H_2O NaOH HBr NaOH All will work What is the product obtained from the following reaction sequence? Which f the following reaction sequence can be used to convert ethane into ethyne (acetylene)/Br_2 potassium tert-butoxide BR_2/hv, NaNH_2(excess) Cl_2/hv potassium tert-butoxide Cl_2 NaNH_2(excess) NaNH_2(XS) Br_2/hv Br_2 potassium tert-butoxide Br_2/hv NaNH_2 Br_2 sodium hydroxide None of the above will perform this transformation

Explanation / Answer

30. Ans B

31. Ans A

33. Ans B.

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