Assertion (A): 16^{\text{th }} group elements have higher ionization enthalpy values than 15^{\text{th }} group elements in the corresponding periods. Reason (R): 15^{\text{th }} group elements have half-filled stable electronic configurations.

Correct Answer is : (A) is incorrect but (R) is correct.

Both (A) and (R) are correct and (R) is the correct explanation of (A).

Both (A) and (R) are correct but (R) is not the correct explanation of (A) .

(A) is correct but (R) is incorrect.

(A) is incorrect but (R) is correct.

AP EAPCET 05-Jul-2022 Shift 1 Paper

Section: Chemistry

Question : 149 of 160

Marks: +1, -0

Assertion (A): 16‌th ‌ group elements have higher ionization enthalpy values than 15‌th ‌ group elements in the corresponding periods.
Reason (R): 15‌th ‌ group elements have half-filled stable electronic configurations.

Both (A) and (R) are correct and (R) is the correct explanation of (A).
Both (A) and (R) are correct but (R) is not the correct explanation of (A) .
(A) is correct but (R) is incorrect.
(A) is incorrect but (R) is correct.

Validate

Go to Question:

Prev Question

Next Question