Statement-1: Manganese (atomic number 25) has a less favourable electron affinity than its neighbours on either side.
Stement-2: The magnitude of an element's affinity only depends on the element's valence shell electronic configuration.

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Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.

Statement-1 is False, Statement-2 is True.

Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1.

Statement-1 is True, Statement-2 is False.

answer is C.

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Detailed Solution

Because manganese possesses a stable $[Ar]^{8} 3 d^{5} 4 s^{2}$ configuration and five unpaired electrons, which gives it the most possible spin multiplicity, it has a less favourable electron affinity than either of its neighbours.

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