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Haloalkanes And Haloarenes

Question
CBSEENCH12007686

RBr reacts with AgNO2 to give both RNO2 and RONO. Give reason.

Solution

The nitrite ion, has two nucleophilic sites N and O. Reaction with the unshared electron pair on N gives RNO2 and reaction with the unshared pair of electrons on O gives R—O—N = O.
Structure of nitrite ion,