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Anomalous Behavior of Lithium Halogens

Why is BIH3 t...

Question

Why is BIH3 the strongest reducing agent amongst all the hydrides of gr-15 elements

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Solution

BiH3 is strongest reducing agent because BiH3 has lowest bond dissociation enthalpy due to the larger bond length. Therefore BiH3 dissociates quickly to produce hydrogen ions.

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Similar questions

Q. Give reasons for the following:
(i) Oxygen is a gas but sulphur is a solid.
(ii)

O_{3}

acts as a powerful oxidising agent.
(iii)

B i H_{3}

is the strongest reducing agent amongst all the hydrides of group

15

Q. Give reasons for the following.

a .

Oxygen is a gas but sulphur is a solid.

b .

{B i H}_{3}

is the strongest reducing amongst all hydrides of Group

15

Q. Which element is the strongest reducing agent and why?

Q. Which is a stronger reducing agent,

S b H_{3}

B i H_{3}

Q. Assertion (A): The hydrides of VA group elements are good reducing agents.
Reason (R):

N H_{3}

is a weak reducing agent among the hydrides of VA group.

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