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Which of the following has highest dipole moment?

Option: 1

HF


Option: 2

HCl


Option: 3

HBr


Option: 4

HI


Answers (1)

best_answer

As we have learnt,

Dipole moment of Hydrides of Halogens is given as 

\mathrm{HF>HCl>HBr>HI}

This is governed by the electronegativity difference between the halogen and hydrogen

It is to be noted that the dipole moment is also a function of the bond length which can too sometimes dominate. So, it remains a fact based quantity.

Therefore, option (1) is correct.

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