Assertion :An element $(X)$ with an atomic number of $16$ , has $14$ electrons in $X^{2 -}$ . Reason: It has gained two electrons.

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 incorrect but Reason is correct

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is incorrect but Reason is correct
$Assertion is incorrect$ . After gaining two more electrons, the element has a charge $- 2$ , so it has $18$ electrons, not $14$ .
$Reason is correct$ . The element has gained two electrons to attain a noble gas configuration.

Hence the correct option is $C$ .

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Choose the correct option.

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