Among fluorine and chlorine, the electron affinity of the latter is high. This is due to:

high electronegativity of fluorine

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low dissociation energy of fluorine

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fluorine repels with the added electron due to its small size

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small size of chlorine atom

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Solution

The correct option is C fluorine repels with the added electron due to its small size
Fluorine atom, due to small size, repels incoming electron. Hence, among fluorine and chlorine, the electron affinity of chlorine is high. In general, the electron affinities of halogen atoms are high.

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Among fluorine and chlorine, the electron affinity of the latter is high. This is due to:

The correct option is C fluorine repels with the added electron due to its small sizeFluorine atom, due to small size, repels incoming electron. Hence, among fluorine and chlorine, the electron affinity of chlorine is high. In general, the electron affinities of halogen atoms are high.

The correct option is C fluorine repels with the added electron due to its small size
Fluorine atom, due to small size, repels incoming electron. Hence, among fluorine and chlorine, the electron affinity of chlorine is high. In general, the electron affinities of halogen atoms are high.