Assertion (A): Zinc oxide is amphoteric in nature.
Reason (R): Zinc oxide reacts with both acid and base to form respective salts.

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Solution

Zinc oxide reacts with both acid and base to form respective salts.
Basic nature: $Z n O (s) + 2 H C l (a q) \to Z n C l_{2} (a q) + H_{2} O (l)$ $A c i d n a t u r e : Z n O (s) + 2 N a O H (a q) \to N a_{2} Z n O_{2} (a q) + H_{2} O (l)$

Therefore, zinc oxide is amphoteric in nature.

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Assertion (A): Zinc oxide is amphoteric in nature. Reason (R): Zinc oxide reacts with both acid and base to form respective salts.

Zinc oxide reacts with both acid and base to form respective salts. Basic nature:ZnO(s) + 2HCl(aq)→ZnCl2(aq) + H2O(l)Acid nature: ZnO(s) + 2NaOH(aq)→ Na2ZnO2(aq) + H2O(l) Therefore, zinc oxide is amphoteric in nature.

Assertion (A): Zinc oxide is amphoteric in nature.
Reason (R): Zinc oxide reacts with both acid and base to form respective salts.

Zinc oxide reacts with both acid and base to form respective salts.
Basic nature: $Z n O (s) + 2 H C l (a q) \to Z n C l_{2} (a q) + H_{2} O (l)$ $A c i d n a t u r e : Z n O (s) + 2 N a O H (a q) \to N a_{2} Z n O_{2} (a q) + H_{2} O (l)$

Therefore, zinc oxide is amphoteric in nature.