Question

Assertion : The dipole moment helps to predict whether a molecule is polar or non- polar.
Reason : The dipole moment helps to predict geometry of molecule.
A. If both assertion and reason are true and the reason is a true explanation of the assertion.
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. if assertion is false but reason is true.

Answer 1

Correct Answer - a
The linear triatomic moulas of the type B-A-B e.g. `CO_(2)` have no dipole moment not because the individual `C = O` bonds are non- polar but because the two bond moment (polarity) cancel each other .Therefore , gemoetry of molecule can be predicted by the value of dipole moment .