The bond angle in PH 3 is-A- Equal to that in NH 3B- Much greater than in NH 3C- Slightly more than in NH 3D- Much lesser than NH 3

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Standard XII

Chemistry

Functional Group

The bond angl...

Question

The bond angle in PH₃ is:

Much lesser than NH₃

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Equal to that in NH₃

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Much greater than in NH₃

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Slightly more than in NH₃

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Solution

The correct option is A
Much lesser than NH₃

Bond angles decrease on moving down the group for similar compounds, i.e, NH₃>PH₃>AsH₃>SbH₃.

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Similar questions

Q. Explain why bond angle of

N H_{3}

is greater than

N F_{3}

while bond angle of

P H_{3}

is less than that of

P F_{3}

H - N - H

bond angle in

N H_{3}

is than/to

H - P - H

bond angle in

P H_{3}

Q. Assertion :The bond angle of

P {B r}_{3}

is greater than

{P H}_{3}

but the bond angle of

N {B r}_{3}

is lesser than

{N H}_{3}

. Reason: Electronegativity of

P

-atom is less than that of

N

-atom.

H - N - H

bond angle in

N H_{3}

is than/to

H - P - H

bond angle in

P H_{3}

Q. Assertion :Bond angle in

N H_{3}

is greater than that in

P H_{3}

. Reason:

P - H

bonds are longer the lower electronegativity of

P

permits electron density to be displaced towards

H

to a greater extent than in the case of

N H_{3}

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The bond angle in PH3 is:

The correct option is A Much lesser than NH­3Bond angles decrease on moving down the group for similar compounds, i.e, NH3>PH3>AsH3>SbH3.

The bond angle in PH₃ is:

The correct option is A
Much lesser than NH₃

Bond angles decrease on moving down the group for similar compounds, i.e, NH₃>PH₃>AsH₃>SbH₃.