A primary aliphatic amine on reaction with ni | vedclass

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(B) Primary aliphatic amines react with nitrous acid $(HNO_2)$ at low temperatures $(273-278 \, K)$ to form unstable aliphatic diazonium salts. Upon r

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(B) Primary aliphatic amines react with nitrous acid $(HNO_2)$ at low temperatures $(273-278 \, K)$ to form unstable aliphatic diazonium salts. Upon raising the temperature to room temperature $(298 \, K)$,these diazonium salts decompose rapidly by losing nitrogen gas to form carbocations,which then react with water to yield alcohols. The reaction sequence is: $R-NH_2 + HNO_2$ $\xrightarrow{273 \, K} [R-N_2^+Cl^-]$ $\xrightarrow{298 \, K} R-OH + N_2 + HCl$.

$A$ primary aliphatic amine on reaction with nitrous acid in cold $(273 \, K)$ and thereafter raising the temperature of the reaction mixture to room temperature $(298 \, K)$ gives a/an .....

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