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Assertion (A): Size of \( \mathrm{Bk}^{3+} \) ion is less than \( \mathrm{Np}^{3+} \) ion. Reason (R): The above is a co…

Q1
Assertion (A): Size of \( \mathrm{Bk}^{3+} \) ion is less than \( \mathrm{Np}^{3+} \) ion. Reason (R): The above is a consequence of the lanthanoid contraction. [JEE Main 2021, 16 Mar (Shift 1)]
a

Both assertion and reason are true and reason is the correct explanation of assertion.

b

Both assertion and reason are true, but reason is not the correct explanation of assertion.

c

Assertion is true, but reason is false.

d

Assertion is false, but reason is true.

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