Assertion :Nuclide $_{13} {A l}^{30}$ is less stable than $_{20} {C a}^{40}$ . Reason: Nuclide having odd number of protons and neutrons are generally unstable.

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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Assertion is incorrect but Reason is correct

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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
Nuclide $_{13} {A l}^{30}$ is less stable than $_{20} {C a}^{40}$ due to their p/n ratio.
Also, nuclide having odd number of protons and neutrons are generally unstable.

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