The electron affinity of Cl when 1.0g of Cl atom is converted to Cl- (g) liberate 9.83 kJ energy is:

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−349 kJ

+349 kJ

35.5k]

−35.5 kJ

answer is A.

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Detailed Solution

Cl(g)+1e−⟶Cl−(g)1g of Cl-atoms liberate energy =9.83 kJ∴35.5g of Cl-atoms liberate energy =9.83×35.5=349kJ∴ Electron affinity of Cl =−349 kJ

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