Questions/P Block elements G15-18/In what way can it b...
Group 15 ElementsP Block elements G15-18

In what way can it be proved that PH3PH_{3} is basic in nature?

Expert Answer

Phosphine is weakly basic and gives phosphonium compounds with acids: PH3+HBrPH4BrPH_{3} + HBr \rightarrow PH_{4}Br. It acts as a Lewis base due to the lone pair on Phosphorus.

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