Ammonia and phosphine are sailne hydrides.

Phosphine gas is

Phosphine is:

Phosphine is used in

Asseration: Ammonia and water are electron rich hydrides. Reason: They have electrons more than required for bonding.

Triphenyl phosphine is –

Ammonia has greater affinity for proton than phosphine (PH_(3)) . Give reason.

Account for the following : (i) Ammonia is a stronger base than phosphine. (ii) H_(3)PO_(3) is a diprotic acid.