Consider the elements A, B, C and D with atomic numbers II, 12, 16 and 17, respectively. Which among the following statements regarding these elements are correct?
I. The element C will gain electron more easily than element D.
II. The element B tends to lose electron more readily than C.
III. The oxide of A will be least basic while that of D will be most basic.
IV The energy required to remove an electron from outermost shell from A will be minimum while that from D will be maximum.

Question

Examsnet · Accepted Answer

Correct Answer is :  II and IV only

NTSE Stage 2 SAT 2019 Exam Question Paper