Which of the following reactions does not giv | vedclass

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(D) The reduction of alkyl isocyanides $(R-NC)$ using $H_2/Pd$ or other reducing agents yields secondary amines $(R-NH-CH_3)$.In contrast,the reductio

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$CH_3CH_2NC \xrightarrow{H_2/Pd} CH_3CH_2NHCH_3$

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(D) The reduction of alkyl isocyanides $(R-NC)$ using $H_2/Pd$ or other reducing agents yields secondary amines $(R-NH-CH_3)$.In contrast,the reduction of nitriles $(R-CN)$ gives primary amines $(R-CH_2NH_2)$.The reduction of amides $(R-CONH_2)$ using $LiAlH_4$ gives primary amines $(R-CH_2NH_2)$.The Gabriel phthalimide synthesis is a standard method for preparing primary amines $(R-NH_2)$.Therefore,option $D$ is the correct answer as it produces a secondary amine.

Which of the following reactions does not give a primary amine as a product?

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The base having the highest $pK_b$ value is

$(A)$ $\xrightarrow[(1) \text{ excess } CH_3I/K_2CO_3, (2) \text{ } Ag_2O/H_2O, (3) \text{ } \Delta]{} (B)$ $\xrightarrow[(i) \text{ excess } CH_3I/K_2CO_3, (ii) \text{ } Ag_2O, (iii) \text{ } \Delta]{} H_2C=CH-CH(CH_3)-CH=CH_2$. Identify $(A)$.

Write the order of basic strength for the following compounds:

Methyl isocyanide on hydrolysis gives

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