Identify the correct statements about Z in th | vedclass

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Question

(A) The reaction sequence is as follows:$C_2H_5NH_2$ $\xrightarrow{NaNO_2/HCl} [C_2H_5N_2^+Cl^-] (X)$ $\xrightarrow{H_2O} C_2H_5OH (Y)$ $\xrightarrow{

Vedclass · Accepted Answer

$I$ and $III$

Vedclass · Answer

(A) The reaction sequence is as follows:$C_2H_5NH_2$ $\xrightarrow{NaNO_2/HCl} [C_2H_5N_2^+Cl^-] (X)$ $\xrightarrow{H_2O} C_2H_5OH (Y)$ $\xrightarrow{Cu, 573 \ K} CH_3CHO (Z)$$Z$ is acetaldehyde $(CH_3CHO)$.$I$. $Z$ is an aldehyde. (Correct)$II$. $Z$ has $\alpha$-hydrogen atoms,so it does not undergo Cannizzaro reaction. (Incorrect)$III$. $Z$ contains a $CH_3CO-$ group,so it gives a positive iodoform test. (Correct)$IV$. $Z$ is an aldehyde,so it gives a positive test with Tollens' reagent. (Incorrect)Thus,statements $I$ and $III$ are correct.

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