Which of the following molecule contains one lone pair of electrons on the central atom?
A
NH3
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B
CH4
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C
CHCl3
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D
Cl2
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Solution
The correct option is ANH3 In NH3 molecule the central atom N contains one lone pair. In CH4 and CHCl3the central atom C does not have any extra electron. In Cl2 there are two central atoms Cl each has three lone pairs.