1.

Solid (A) reacts with strong aqueous NaOH liberating a foul smelling gas (B) which spontaneously burn in air giving smoky rings. A and B are respectively

Answer»

`P_(4)` (red) and `PH_(3)`
`P_(4)` (white) and `PH_(3)`
`S_(8)` and `H_(2)S`
`P_(4)` (White) and `H_(2)S`

ANSWER :A::B::C::D


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