MediumChemistry
+4 / -1
The correct order of electron affinity of B, C, N, O is -
A
O > C > N > B
B
B > N > C > O
C
O > C > B > N
D
O > B > C > N
Explanation
Electron affinity generally increases across a period, but nitrogen shows exceptionally low electron affinity due to half-filled p³ configuration.
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