15. The reagent, from the following, which converts benzoic acid to benzaldehyde in one step is CHO COOH (a) LiAlH4 (b) KMnO4 (c) MnO (d) NaBH4 16. The final product 'A' in the following reaction sequence CH3-CH2-C-CH3 CH3 HCN 95% HSO ? -A A (A) CH3-CH=C-COOH OH (C) CH3-CH2-C-COOH CH3 (B) CH3-CH=C-CN CH3 (D) CH3-CH=C-CONH2 CH3 17. Which statement is NOT correct for p-toluenesulphonyl chloride? (a) It is known as Hinsberg's reagent (b) It is used to distinguish primary and secondary amines. (c) On treatment with secondary amine, it leads to a product, that is soluble in alkali. (d) It doesn't react with tertiary amines 18. The final product 'C' in the following series of reactions NO2 Sn/HCI NaNO A B HCI B-Naphthol NaOH C (A) N=N- (C) N=N- HO (B) OH (D) N=N- OH N=N OH HO