Published by:
CGP EDU Academic Team
Published on: August 12, 2026
The order of first electron affinity of 
, and Se is
A
O 
S 
Se
S Se
B
S 
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
is the correct order as sulphur having high 
and bigger size shows high 
and oxygen has higher 
but lowest size have highest electron density having prominent repulsive effect.
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