Chemistry-
General
Easy
Question
Arrange 
and 
in ascending order of electron affinity
- (a) Se < S < O
- Se < O < S
- (c) S < O < Se
- S < Se < O
The correct answer is: (a) Se < S < O
Correct order of electron affinity is Se < S < O. In a group electron affinity decreases with increase in atomic number.
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