40. Convert para-chloronitrobenzene into para-chlorobenzonitrile: Cl-C6H4-NO2 --> Cl-C6H4-CN Which sequence of r

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answerhappygod
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40. Convert para-chloronitrobenzene into para-chlorobenzonitrile: Cl-C6H4-NO2 --> Cl-C6H4-CN Which sequence of r

Post by answerhappygod »

40.
Convert para-chloronitrobenzene
into para-chlorobenzonitrile:
Cl-C6H4-NO2
-->
Cl-C6H4-CN
Which sequence of reactions below, when done starting
with para-chloronitrobenzene, will give the best
yield of the desired product?
A. HONO, then Sn / HCl, then CuCN
B. HONO, then CuCN, then Sn / HCl
C. Sn / HCl, then HONO, then CuCN
D. Sn / HCl, then CuCN, then HONO
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