Assertion : ${C S}_{2}$ is linear whereas $H_{2} S$ is non-linear. Reason: $C$ in ${C S}_{2}$ is $s p$ -hybridized whereas $S$ in $H_{2} S$ is ${s p}^{3}$ -hybridized.

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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Assertion is incorrect but Reason is correct

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
$C S_{2}$ molecule has linear geometry because central atom carbon has sp-hybridisation.

$C S_{2}$

$H_{2} S$ molecule has angular geometry because central atom sulfur has $s p^{3}$ hybridisation.

$H_{2} S$

So both assertion and reason are correct and reason is the correct explanation for assertion.
So answer is A.

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