p-Block elementsHardBloom L3

Question

PH3(Phosphine) when passed in aqueous solution of CuSO4 it produces -

Options

A.Blue precipitate of Cu(OH)2
B.dark blue solution of [Cu(PH3)4]SO4
C.Black precipitate of Cu3P2
D.Colorless solution of [Cu(H2O)4]+

Solution

Sol. When phosphine is passed onto the aqueous solution of copper sulfate, it produces multiple of products.

The equation for the reaction between the two follows:

3CuSO4.5H2O(aq.) + 2PH3 → Cu3P2 + 3H2SO4 + 15H2O

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