On strong heating,ammonium acetate gives

$C_4H_7OCl$ $(x)$ $\xrightarrow{NH_3} C_4H_9NO$ $\xrightarrow{Br_2 + KOH} CH_3-CH_2-CH_2-NH_2$. Compound $x$ is:

If the rate of the reaction,$R-CO-Z + Nu^- \rightarrow R-CO-Nu + Z^-$ is fastest,then $Z$ is

$CH_3CO_2C_2H_5$ on reaction with sodium ethoxide in ethanol gives $A$,which on heating in the presence of acid gives $B$. Compound $B$ is

Which of the following does not give alcohol on reduction?

How many organic products will be formed when the following compound undergoes decarboxylation?
(Image: $A$ substituted cyclopentane ring with two $-COOH$ groups at the same carbon atom,and two $-CH_3$ groups at adjacent carbons.)