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ZnO in step i...

Question

ZnO in step (ii) can also be dissolved in NaOH forming :

Z n (O H)_{2}

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N a_{2} Z n O_{2}

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Z n_{2} O_{3}

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N a Z n (O H)_{4}

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Solution

The correct option is B $N a_{2} Z n O_{2}$
ZnO in step (ii) can also be dissolved in NaOH forming $N a_{2} Z n O_{2}$ .
$Z n O + 2 N a O H \to N a_{2} Z n O_{2} + H_{2} O$

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