Benzene and Alkyl Benzene - Result Question 9

13. For which of the following molecule significant $\mu \neq 0$ ?

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(a) Only I

(b) I and II

(c) Only III

(d) III and IV

(2014 Main)

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Answer:

Correct Answer: 13. (d)

Solution:

Draw the structure of organic compounds indicating net dipole moment which includes lone pair and bond angle also.

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$-OH$ groups and $-SH$ groups do not cancel their dipole moment as they exist in different confirmation.