Assertion :An electron in $s$ -orbital is not circulating around the nucleus but simply as distributed around it whereas an electron in $p$ -orbital can be thought of as circulating around the nucleus. Reason: For $s$ -orbital angular momentum is zero and for a $p$ -orbital angular momentum is non-zero.

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.
An electron in s orbital has zero angular momentum. Hence, it can be considered as not circulating around the nucleus. It is considered simply distributed around it. An electron in p orbital has non zero angular momentum. Hence, it can be considered as circulating around the nucleus. Thus, Both Statement and Explanation are correct and Explanation is the correct explanation for Statement.

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Similar questions

Q. Statement: All

s

-orbitals in the

H

-atom corresponds to a non-zero probability density at the nucleus.
Explanation: The probability density is given by:

ψ^{2}

and

ψ \propto e^{- Z r / 2 a_{0}}

Given below a statement (S) and explanation (E) is given. Choose the appropriate answer:

Statement (S): $O_{2}$ is diamagnetic

Explanation (E): $O_{2}$ has two electrons in anti-bonding $π$ orbitals.

Q. Assertion : Bond order of

H_{2}^{+} is 0.5.

Reason : Electrons are removed from the antibonding molecular orbital from

H_{2} .

Assertion (A) o-nitrophenol is less soluble in water than the m- and p-isomers.
Reason (R) m and p-nitrophenols exist as associated molecules.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Q. Assertion : In the bonding molecular orbital (MO) of

H_{2}

, the electron density is increased between the nuclei.
Reason : The bonding MO is

ψ_{A} + ψ_{B}

, which shows destructive interference of the combining electron waves.

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Assertion :An electron in s-orbital is not circulating around the nucleus but simply as distributed around it whereas an electron in p-orbital can be thought of as circulating around the nucleus. Reason: For s-orbital angular momentum is zero and for a p-orbital angular momentum is non-zero.