Question

Arrange CH4, CH3Cl,CH2Cl,CHCl3,CCl4 in increasing order of dipole moment​

Answer 1

The correct order of the dipole moment of the following compounds: $\bold{\mathrm{CH}_{3} \mathrm{Cl}>\mathrm{CH}_{2} \mathrm{Cl}>\mathrm{CHCl}_{3}>\mathrm{CH}_{4}=\mathrm{CCl}_{4}}$

Explanation:

• All of the following compounds are tetrahedral in shape.

• Hydrogen is the electropositive ion but chlorine is the electronegative atom.

• In $\bold{\mathbf{C H}_{4}}$ and $\bold{\mathbf{C} \mathbf{C} \mathbf{l}_{4}}$ the dipole moment of the two compounds cancel Each Other due to the shape of the molecule.

• However in case of $\bold{\mathrm{CHCl}_{3}}$ the cancellation is less due to the the presence of of hydrogen ion.

• Hence  the number of hydrogen ion more is the dipole moment.

• The dipole moment is highest for the compound $\bold{\mathbf{C H}_{3} \mathbf{C l}}$.

To know more about the dipole moment of various compounds,

Dipole moment of BF3 and NH3

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