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Q.
$CH _{3} CHO + NH _{2} OH \to CH _{3} CH = N - OH$ The above reaction is carried out at
Aldehydes Ketones and Carboxylic Acids
Solution:
More Basic condititions: $OH^-$ may attack $CH _{3} CHO$ More Acidic conditions : $H ^{+}$ may attack $NH _{2}- OH$ At optimum pH i.e 4.5 reaction takes place