Discussion Forum



1)

The elements with the highest  and lowest electron gain enthalpy  in group 16 respectively  are


A) O;Te

B) O;Po

C) S;O

D) S;Te

Answer:

Option C

Explanation:

The electron gain enthalpy  decreases with increases in size of the central atom on moving down the group. Oxygen has less negative  electron  gain enthalpy  than sulphur

Hence , option (c)  is correct