Assertion :- The first ionization energy of Be is greater than that of B
2p- orbital is lower in energy when 2s- orbital.
A. If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
B. If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.
C. If Assertion is True, but the Reason is False.
D. If both Assertion & Reason are false
