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Introduction to Aromatic Compounds

Which of the ...

Question

Which of the following is correct order of bond length?

H₂ > F₂ > Cl₂ > Br₂

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H₂ < F₂ < Cl₂ >Br₂

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Br₂ >Cl₂ >F₂ >H₂

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F₂ >Cl₂ >Br₂ >H₂

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Solution

The correct option is C
Br₂ >Cl₂ >F₂ >H₂

Generally, first we have to check for the bond order of every molecule.

$H - H, F - F, C l - C l, B r - B r$

Here, we can see that

Bond order = 1 (for all)

Now, we know that covalent radius for molecules will be in order

$B r_{2} > C l_{2} > F_{2} > H_{2}$ [Because value of principal quantum number(n) is increasing]

Therefore, for Bond length also,

$B r_{2} > C l_{2} > F_{2} > H_{2}$

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Similar questions

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

F_{2}, C l_{2}

B r_{2}

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_{2}

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

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