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Bond angle of hydrides of group 15 decreases from top to bottom . Why?

Bond angle of hydrides of group 15 decreases from top to bottom . Why?

Grade:12

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
8 years ago

. All hydrides are pyramidal in shape. The bond angle decreases on moving down the group due to decrease in bond pair–bond pair repulsion.NH3 PH3 AsH3 SbH3 BiH3
107O 94O 92O 91O 90O

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