Reaction of nitrous acid with aliphatic prima | vedclass

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(B) When an aliphatic primary amine $(R-NH_2)$ reacts with nitrous acid $(HNO_2)$ at low temperatures (cold conditions),it forms an unstable aliphatic

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$B$. An alcohol

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(B) When an aliphatic primary amine $(R-NH_2)$ reacts with nitrous acid $(HNO_2)$ at low temperatures (cold conditions),it forms an unstable aliphatic diazonium salt,which immediately decomposes to evolve nitrogen gas $(N_2)$ and forms an alcohol $(R-OH)$.The reaction is as follows:$R-NH_2 + HNO_2$ $\xrightarrow{	ext{cold}} [R-N_2^+Cl^-]$ $ightarrow R-OH + N_2 + H_2O$

Reaction of nitrous acid with aliphatic primary amine in the cold gives

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