Assertion :An electron in an $s$ -orbital has a non-zero probability of being found right at the nucleus. Reason: $l = 0$ for $s$ -orbitals and thus there is no orbital angular momentum to fling the electron away from the nucleus.

Statement is correct but Explanation is wrong.

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Statement is wrong but Explanation is correct.

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Both Statement and Explanation are correct and Explanation is the correct explanation for Statement.

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Both Statement and Explanation are correct but Explanation is not the correct explanation for Statement.

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Solution

The correct option is C Both Statement and Explanation are correct and Explanation is the correct explanation for Statement.
The azimuthal quantum number determines orbital angular momentum and describes the shape of the orbital. For s-orbitals, the value of azimuthal quantum number l=0. So there is no orbital angular momentum to fill the electron away from the nucleus. Hence, an electron in an s-orbital has a non-zero probability of being found right at the nucleus. Thus, Both Statement and Explanation are correct and Explanation is the correct explanation for statement.

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Assertion :An electron in an s-orbital has a non-zero probability of being found right at the nucleus. Reason: l=0 for s-orbitals and thus there is no orbital angular momentum to fling the electron away from the nucleus.

Assertion :An electron in an $s$ -orbital has a non-zero probability of being found right at the nucleus. Reason: $l = 0$ for $s$ -orbitals and thus there is no orbital angular momentum to fling the electron away from the nucleus.