Identify the correct order of C–F bond length among the molecules
CH₃F(I), CH₂F₂(II), CHF₃(III) and CF₄(IV)

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I < II < IV < III

I > II > III > IV

I > II > IV > III

I < II < III < IV

answer is B.

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Detailed Solution

B) It is because, due to greater electronegetivity of F– atom it pulls the bond towards itself.
Thus, atoms with more F– ions will have lesser bond length.

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