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Question

Which of the following molecule(s) is/are having pyramidal structure?

A
PH3
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B
P(SiH3)3
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C
NH3
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D
PC1+2
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Solution

The correct options are
A PH3
B P(SiH3)3
D NH3
The molecules PH3, P(SiH3)3 and NH3 have pyramidal structure with sp3 hybridization and 3 bond pairs and one lone pairwhereas PC1+2 has bent structure due to sp2 hybridization with two bond pairs and one lone pair.

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