1.

What may be expected to happen when phosphine gas is mixed with chlorine gas?

Answer»

The mixure only COOLS down
`PCl_(3)` and `HCl` are formed and the mixure warms up
`PCl_(5)` and `HCl` are formed and the mixure cools down
`PH_(3).Cl_(2)` is formed with WARMING up

Solution :`PH_(3)+4Cl_(2)rarrPCl_(5)+3HCl`


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