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Grade 12th passInorganic Chemistry

the bond angle in ph3 is
1-much lesser than nh3
2-equal to that in nh3
3-much greater than in nh3
4-sif3 forms more si(oh)4

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Profile image of somya mahere
8 Years agoGrade 12th pass
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1 Answer

Profile image of Arun
8 Years ago
Dear Somya
 
In ammonia sp3 hybridization occurs .So its bond angle should have been 109°28' . But due to the presence of lone pair it is slightly less. So it was expected that the angle in PH3 will also be approximately same. But , it was found to be around 90°..
 
Hence option A is correct.
 
Regards
Arun (askIITians forum expert)

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