Assertion :HgS is soluble in aqua regia. Reason: HgS is insoluble in hot and dil. nitric acid.

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 B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
$H g S$ is soluble in $a q u a$ $r e g i a .$ It is used to distinguish it from other compounds.
It is insoluble in hot and dilute $H N O_{3} .$

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Assertion :HgS is soluble in aqua regia. Reason: HgS is insoluble in hot and dil. nitric acid.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for AssertionHgS is soluble in aqua regia. It is used to distinguish it from other compounds.It is insoluble in hot and dilute HNO3.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
$H g S$ is soluble in $a q u a$ $r e g i a .$ It is used to distinguish it from other compounds.
It is insoluble in hot and dilute $H N O_{3} .$