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Anomalous Behaviour of Fluorine

The electron ...

Question

The electron affinity values (kJmol $^{- 1}$ ) of three halogens $X, Y$ and $Z$ respectively are $- 349$ , $- 333$ and $- 325$ . Then $X, Y$ and $Z$ respectively are :

F_{2}, C l_{2}

and

B r_{2}

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C l_{2}, F_{2}

and

B r_{2}

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C l_{2}, B r_{2}

and

F_{2}

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B r_{2}, C l_{2}

and

F_{2}

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Solution

The correct option is B $C l_{2}, F_{2}$ and $B r_{2}$
Order of $E A$ of halogens is $C l > F > B r$ .
Hence, the value of $E A$ will be that of $C l_{2}$ , $F_{2}$ , $B r_{2}$ respectively.

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Similar questions

(i n k J m o l^{- 1})

F_{2} > C l_{2} > B r_{2} > I_{2} :

F_{2} > C l_{2} > B r_{2} > I_{2} :

F_{2} > C l_{2} > B r_{2} > I_{2} :

F_{2} > C l_{2} > B r_{2} > I_{2} :

F_{2} > C l_{2} > B r_{2} > I_{2} :

F_{2} > C l_{2} > B r_{2} > I_{2} :

H O C l > H C l O_{2} > H C l O_{3} > H C l O_{4} :

H O C l > H C l O_{2} > H C l O_{3} > H C l O_{4} :

(x^{2} + y^{2})

x

y

I_{2}, {B r}_{2}, {C l}_{2}, F_{2}

I_{2} < {B r}_{2} < {C l}_{2} < F_{2}

F_{2}, C l_{2}

B r_{2}

(i n k J m o l^{- 1})

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