12) Choose the reagent(s) that would bring about the following reaction: A) H2/Pt (B)DIBAL H, then H2O (C)SOCl2 (D) LiAlH4 13) Which is the best name for the following compound? (A)Propyl isopropanoate (B)Ethyl isopropyl ketone (C)Isopropyl propanoate (D) None of these 14) Which of the following would be the strongest acid? (A) Benzoic acid (B)4-Methoxybenzoic acid (C) 4- Nitrobenzoic acid (D)4-Iodobenzoic acid 15) Acetals are unstable in the presence of an aqueous solution of which of these? A) NaOH (B) Na2CO3 (C) HCl (D) NaCl 16) Which is the proper name for the structure shown below? A)4-Chloro-5-methylbenzaldehyde (B)5- Chloro-6-methylbenzaldehyde C) 4-Chloro-3-methylbenzaldehyde (D)2-chloro-5- aldehydotoluene 17) Which is the proper name for the structure shown below? A)3, 5- dimethylheptanal (B)2,5- dimethylhexanal (C)2,5- dimethyl 6-hexanal (D)2-Aldehydoisohexane