Q. Which of the following molecule in its valence shell has three bond pairs of electrons and one lone pair of electrons?
A) $NH_{3}$
B) $H_{2}O$
C) $BF_{3}$
D) $CO_{2}$
Explanation
(a)
$NH_{3}$ molecule in its valence shell has three bond pairs of electrons and one lone pair of electrons. The shape of $NH_{3}$ molecule is pyramidal due to the presence of one lone pair electron. It has $sp^{3}$ hybridisation.
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Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.