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Bond dissociation enthalpy of E-H (E=ele...

Bond dissociation enthalpy of E-H (E=element) bond is given below.

Which of the following compounds will act as strongest reducing agent?

A

`NH_3`

B

`PH_3`

C

`AsH_3`

D

`SbH_3`

Text Solution

Verified by Experts

The correct Answer is:
D
On moving top to bottom, size of central atom increases. Bond length of X - H bond increases and bond dissociation energy decreases. Hence, reducing nature increases

Hence, `SbH_3` is act as strongest reducing agent among these.
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  6. Statement-1 : Electrovalency of oxygen is two (O^(2-)) Statement-2 :...

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  7. Assertion: Reaction of SO(2) and H(2)S in the presence of Fe(2)O(3) ca...

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  9. Assertion. Ozone is a powerful oxidising agent in comparison to O(2) ...

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  10. Statement SO(2) can be used as reductant as well as oxidant. Explanat...

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  11. Statement-1 : At room temperature oxygen exists as a diatomic gas, whe...

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  12. Assertion. Nitrogen is less reactive than molecular oxygen. Reason. ...

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  13. Assertion: N(2)H(4) cannot reduce S(2)O(3)^(2-) Reason : S(2)O(3)^(2...

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  14. Assertion : Sb(2)S(3) is not soluble in yellow ammonium sulphide. Re...

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  16. Statement-1 : Chlorine and sulphur dioxide both are bleaching agents. ...

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