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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 bottem, size of central atom increases. Increases. Bond length of __ 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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