1.

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

Answer»

<P>`P_(4)" (red) and "PH_(3)`
`P_(4)" (white) and "PH_(3)`
`S_(8) andH_(2)S`
`P_(4)" (white) and "H_(2)S`

Solution :`P_(4)" (white) and "PH_(3)`


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