Which has highest bond energy and stronger bond ?

F_{2}

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C l_{2}

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B r_{2}

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I_{2}

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Solution

The correct option is B $C l_{2}$
Bond energy of $C l_{2}$ is highest among all halogen molecules. Bond energy of $F_{2}, C l_{2}, B r_{2}, I_{2}$ are $37, 58, 46$ and $36$ $k c a l m o l^{- 1}$ , respectively. On moving down the group of halogens, the bond energy decreases from chlorine to bromine and to iodine. Fluorine has lower bond energy due to interelectronic repulsions due to small sized $F$ atom.

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Similar questions

F_{2}, C l_{2}, B r_{2}, I_{2}

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

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

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