1.

(A): The second ionisation energy of 'O' is greater than that of second ionisation energy of 'N' (R): The half filled p-orbitals cause greater stability for an atom. The correct answer is

Answer»

Both (A) and (R) are TRUE and (R) is the CORRECT EXPLANATION of (A)
Both (A) and (R) are true and (R) is not the correct explanation of (A)
(A) is true but (R) is FALSE
(A) is false but (R) is true

Answer :A


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