Assertion :Dipole moment of $C - F$ bond is less than that of $C - C l$ bond Reason: $F$ is more electronegative than $C l$

Read the above assertion and reason and choose the correct option regarding it.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Dipole moment, μ is the product of the magnitude of charge accumulated on bond and the distance between the two poles. Thus dipole moments of alkyl halide depend on not only the polarity of the bond but also on the bond length. Greater value of $C - C l$ in comparison of $C - F$ is due to a cumulative result of polarity and longer bond length of $C - C l$ compared to $C - F .$

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Similar questions

Q. Read the assertion and reason carefully to mark the correct option out of the options given below:
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Assertion :Dipole moment of C−F bond is less than that of C−Cl bond Reason: F is more electronegative than ClRead the above assertion and reason and choose the correct option regarding it.

Assertion :Dipole moment of $C - F$ bond is less than that of $C - C l$ bond Reason: $F$ is more electronegative than $C l$

Read the above assertion and reason and choose the correct option regarding it.