Which of the following statements is false?
(a) If a molecule contains one polar bond then the molecule must be polar.
(b) Nitrogen contributes five electrons to the Lewis dot structure of ammonia
(c) The molecular shape of the water is bent.
(d) The bond angle in NF3 is smaller than that in NH3.
(e) If a molecule has no dipole moment the molecule must be non-polar.
Answer: If a molecule contains one polar bond then the molecule must be polar.