A) \[O=Cl<S=N\]
B) \[O<S<Cl<N\]
C) \[N<O<S<Cl\]
D) \[O<N<Cl<S\]
Correct Answer: C
Solution :
Key Idea: The electron affinity is amount of energy released when one electron is added to isolated gaseous atom. Its value increases in period and decreases in a group. The variations are in inverse relation to size. The correct order of electron affinities among given elements is \[N<O<S<Cl\]
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