Q.
The order of dipole moments of the following molecules is
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a
CHCl3>CH2Cl2>CH3Cl>CCl4
b
CH2Cl2>CH3Cl>CHCl3>CCl4
c
CH3Cl>CH2Cl2>CHCl3>CCl4
d
CH2Cl2>CHCl3>CH3Cl>CCl4
answer is D.
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Detailed Solution
CCI4 has zero dipole moment because of symmetric tetrahedral structure. CH3CI has slightly higher dipole moment which is equal to 1.86D. Now CH3CI has less electronegativity then CH2CI2 But CH2CI2 has greater dipole moment than CHCI3 .
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