17. Which of the following the central atom has same number of lone pairs as
on P in PC13.
[ 1
(A) BC13 (B) NCI: (C) CCIA (D) PCIS
18. Which of the following molecule is planar
(A) NH3 (B) NCI (C) BCI
19. Which of the following does not have a lone pair of electrons [ 1
(A) H-C1 (B) H-O-H (C) NH3 (D) NHÀ
(D) PCI
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Answer:
The ammonia molecule contains three single bonds and one lone pair one central nitrogen atom
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