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Assertion : All the members of actinide ...

Assertion : All the members of actinide series are radioactive in nature.
Reason : The electrons are gradually accomodated in 5f-energy subshell.

A

If both (A) and (R) are correct and (R) is the correct explanation of(A).

B

If both (A) and (R) are correct, but(R) is not the correct explanation of (A).

C

If(A) is correct, but (R) is incorrect.

D

If both (A) and (R) are incorrect.

Text Solution

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The correct Answer is:
B
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