Complete the missing components/variables given as $x$ and $y$ in the following reactions :

$Z n (s) + H_{2} S O_{4} (a q) \to Z n S O_{4} (x) + H_{2} (y)$

x \to s; y \to g

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x \to s; y \to a q

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x \to a q; y \to g

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x \to a q; y \to a q

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Solution

The correct option is B $x \to a q; y \to g$
$Z n (s) + H_{2} S O_{4} (a q) \to Z n S O_{4} (a q) + H_{2} (g)$

As shown above $x$ represents the aqueous $(a q)$ state of zinc sulphate and $y$ represents the gaseous $(g)$ state of hydrogen.

Hence the correct option is C.

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