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Question

Chemistry Question on Classification of elements & periodicity in properties

The first ionization enthalpies of Be,B,NBe , B , N and OO follow the order

A

O<N<B<BeO < N < B < Be

B

Be<B<N<OBe < B < N < O

C

B<Be<N<OB < Be < N < O

D

B<Be<O<NB < Be < O < N

Answer

B<Be<O<NB < Be < O < N

Explanation

Solution

Correct answer is (d) B<Be<O<N