Assertion: The first ionization energy o...

Assertion: The first ionization energy of `Be` is greater than that of `B`.
Reason: `2p` orbital is lower in energy than `2s`.

A

Both A and B true and R is the correct explanation A

B

Both A and R are true but R is not a correct explanation of A

C

A is true but R is false

D

A is false but R is true

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The correct Answer is:

C

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