Question

Which of the following are incorrect for dipole moment ?

• A. Lone pair of elements present on central atom can give rise to dipole moment
• B. Dipole moment is vector quantity
• C. PF5 (g) molecule has non zero dipole moment
• D. Difference in electronegativities of combining atom can lead to dipole moment

Answer 1

Answer: (C)

PF5 (g) molecule has non zero dipole moment

Answer 2

(1) Fact (2) Fact

(3) Symmetrical molecule so dipole moment = 0

(4) Fact