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Sameedha Murty
Asked: 2022-11-10T02:09:04+05:30 In:

Assertion: Transitio metals show variable valence.
Reason : Due to a large energy difference bteween the `ns^(2)` and `(n – 1)d` electrons.
A. If both assetion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are ture but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If assertion is false but reason is true.

Assertion: Transitio metals show variable valence.
Reason : Due to a large energy difference bteween the `ns^(2)` and `(n – 1)d` electrons.
A. If both assetion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are ture but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If assertion is false but reason is true.
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  1. Correct Answer – C
    The assertion is correct but the reason is false. Actually transition metal show variable valency due to very samll difference between the `ns^(2)` and `(n + 1)d` electron, Therefore, assertion is correct but reason is false.

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