Complete the following reactions-ZnO s - NaOH conc- - H 2 O g A- Na 2 Z nOH aqB- Na 2 Z nO 2 aq C- N a 2 O aq

The correct option is B Na_2ZnO_2(aq)We know: Amphoteric oxide/hydroxide + Acid/Base → Salt + Water ZnO(s) + conc.2NaOH(aq) → Na_2ZnO_2(aq) + H_2O(l) ...

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Standard X

Chemistry

Amphoteric Metals Reaction

Complete the ...

Question

Complete the following reactions:
$Z n O (s) + N a O H (conc .) \to$ + $H_{2} O$ (g)

N a_{2} Z n O H

(aq)

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N a_{2} Z n O_{2}

(aq)

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N a_{2} O

(aq)

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Solution

The correct option is B $N a_{2} Z n O_{2}$ (aq)
We know:
Amphoteric oxide/hydroxide + Acid/Base $\to$ Salt + Water
$Z n O (s) + c o n c .2 N a O H (a q) \to N a_{2} Z n O_{2} (a q) + H_{2} O (l)$

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Complete the following reactions: ZnO (s) + NaOH (conc.) → + H2O (g)

The correct option is B Na2ZnO2(aq)We know: Amphoteric oxide/hydroxide + Acid/Base → Salt + Water ZnO(s) + conc.2NaOH(aq) → Na2ZnO2(aq) + H2O(l)

Complete the following reactions:
$Z n O (s) + N a O H (conc .) \to$ + $H_{2} O$ (g)

The correct option is B $N a_{2} Z n O_{2}$ (aq)
We know:
Amphoteric oxide/hydroxide + Acid/Base $\to$ Salt + Water
$Z n O (s) + c o n c .2 N a O H (a q) \to N a_{2} Z n O_{2} (a q) + H_{2} O (l)$