Benzamide (A) is prepared by heating benzoic acid with ammonia. It undergoes the following reactions: A underset("reaction 1")overset(Br_(2),KOH, Delta)(to) B underset(273-278K "reaction 2")overset(NaNO_(2),HCl)(to) C underset(Delta "reaction 3")overset(H_(3)PO_(2),H_(2)O)(to) D underset(anhyd AlCl_(3) "reaction 4")overset(CH_(3)Cl)(to) E E on heating with acidic KMnO_(4) gives back benzoic acid. 3. Write the chemical reaction for reaction 2 if temperature is 298K.

Benzamide (A) is prepared by heating benzoic acid with ammonia. It und

1.	Benzamide (A) is prepared by heating benzoic acid with ammonia. It undergoes the following reactions: A underset("reaction 1")overset(Br_(2),KOH, Delta)(to) B underset(273-278K "reaction 2")overset(NaNO_(2),HCl)(to) C underset(Delta "reaction 3")overset(H_(3)PO_(2),H_(2)O)(to) D underset(anhyd AlCl_(3) "reaction 4")overset(CH_(3)Cl)(to) E E on heating with acidic KMnO_(4) gives back benzoic acid. 3. Write the chemical reaction for reaction 2 if temperature is 298K.
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