Chemical Bonding - Result Question 84

True / False

60. The dipole moment of $CH _3 F$ is greater than that of $CH _3 Cl$.

(1993, 1M)

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Answer:

Correct Answer: 60. False

Solution:

  1. Dipole moment $(\mu)=q \cdot d$

Since electronegativity of $F$ and $Cl$ are very close, it is the internuclear distance $(d)$ that decides dipole moment here. Hence, $C-Cl$ bond has greater dipole moment the $C-F$ bond.