1.

Acid amides are generally amphoteric in nature. Justify this statement.

Answer»

Solution :(i) Amides behave both as weak acid as WELL as weak base and thus show amphoteric character.
This can be proved by the following reactions.
(ii) Acetamide (as base) reacts with hydrochloric acid to form salt
`underset("acetamide")(CH_3 -C - NH_2) + HCl to underset("acetamide hydrochloride")(CH_3 - undersetoverset(||)(O)(C ) -NH_3^(+) Cl^(-) ) `
(III) Acetamide ( as acid ) reacts with sodium to form sodium saltand hydrogen gas is liberated .
`underset("acetamide")(2CH_3 - undersetoverset(||)(O)(C ) - NH_2 + 2Na) to underset("sodium acetamide")(2CH_3 - undersetoverset(||)(O)(C ) - NH.Na + H_2 UARR `


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