Assertion :When $H_{2} S (g)$ is passed into aqueous ${Z n C l}_{2}$ , solution, $Z n S$ is precipitated. Reason: $Z n S$ is insoluble in dil. $H C l$ .

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is D Both Assertion and Reason are incorrect
$Z n S$ is soluble in dil. $H C l$ .. Thus, when $H_{2} S (g)$ is passed into aqueous ${Z n C l}_{2}$ , solution, $Z n S$ is not precipitated.
Hence, Both Assertion and Reason are incorrect.

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Assertion :When H2S(g) is passed into aqueous ZnCl2, solution, ZnS is precipitated. Reason: ZnS is insoluble in dil.HCl.

The correct option is D Both Assertion and Reason are incorrectZnS is soluble in dil.HCl.. Thus, when H2S(g) is passed into aqueous ZnCl2, solution, ZnS is not precipitated.Hence, Both Assertion and Reason are incorrect.

Assertion :When $H_{2} S (g)$ is passed into aqueous ${Z n C l}_{2}$ , solution, $Z n S$ is precipitated. Reason: $Z n S$ is insoluble in dil. $H C l$ .

The correct option is D Both Assertion and Reason are incorrect
$Z n S$ is soluble in dil. $H C l$ .. Thus, when $H_{2} S (g)$ is passed into aqueous ${Z n C l}_{2}$ , solution, $Z n S$ is not precipitated.
Hence, Both Assertion and Reason are incorrect.