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Choose the set of reagents which will BEST achieve the desired conversion: NH_3,

ID: 990682 • Letter: C

Question

Choose the set of reagents which will BEST achieve the desired conversion: NH_3, pyridine HONO NaBF_4 HNO_3, H_2SO_4 Sn, conc. HCl, Delta aq. NaOH HONO NaBF_4 SOCl_2 NH_3, pyridine HONO NaBF_4 F_2, FeF_3 Despite the fact that the enolate ion is the better resonance contributor (see below), it is the alpha- carbon that usually reacts with an electrophile in alpha-substitution. Why? The carbon is more hindered. A negatively-charged carbon is a stronger nucleophile than a negatively-charged oxygen The moon is in the seventh house. The carbon is more electrophilic than the oxygen.

Explanation / Answer

3----B series

4-----B