Question

Which is the correct order of dipole moments of the
compounds :
(a) I > II > III (b) II > I > III
(c) III > I > II (d) III > II > I

Answer 1

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Option [A] is correct

Answer 2

Full Question:

Which is the correct order of dipole moments of the

compounds :

a)1,2,4 trichlorobenzene,b)1,2,3 trichlorobenzene c)1,2,3,5 tetrachlorobenzene?

(a) I > II > III (b) II > I > III

(c) III > I > II (d) III > II > I

Answer:

II > I > III is the correct option.

Explanation:

• The dipole moment is defined as the the concept which measures the electric polarity of the compound.

• In case of 1st compound, the 1,2,4 trichlorobenzene is equal to having 1 chlorine group because the dipole moment of chlorine at 1 and 4 are mutually canceled.

• In case of 2nd compound, all the chlorine at 1 2 and 3 contributes to the dipole moment because none of them are cancelled.

• So dipole moment of 1,2,3 trichlorobenzene is more than 1.

• Im case of 3rd compound, the dipole moments of chlorine at 2 and 5 mutually cancels each other.

• So the overall dipole moment reduces to less than 1.

• So the dipole moment is II > I > III.

For more information about dipole moment,

https://brainly.in/question/8433387

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