Question

Which Hydride Is Not A Reducing Agent

Answer 1

Answer:

Among the following, the hydride which is not a reducing agent is (a)H₂O . - All of the given hydrides are the hydrides of 16th group (oxygen family). - Out of these hydrides, only water (H₂O ) is not a reducing agent. - Except H₂O all other are reducing.....

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Answer 2

BiH

3

is the strongest reducing hydride among the given:

$$ PH_3 < AsH_3 < SbH_3 < BiH_3$$

When we go down the group, the size of the atom increase also the distance between the metal hydrogen bond increases in hydrides. So, the strength of the metal hydrogen bond decreases, therefore, hydrogen is easily released. A reducing agent is one that supplies a hydrogen atom.