Chemical Bonding And Molecular Structure Question 103

Question: If HCl molecule is completely polarized, so expected value of dipole moment is 6.12D (deby), but experimental value of dipole moment is 1.03D. Calculate the percentage ionic character [Kerala CET 2005]

Options:

A) 17

B) 83

C) 50

D) Zero

E) 90

Show Answer

Answer:

Correct Answer: A

Solution:

% of ionic character = $ \frac{\text{Experimental value of dipole moment}}{\text{Expected value of dipole moment}} $

$ =\frac{1.03}{6.12}\times 100=16.83%\approx 17% $



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