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What happens when PCl(5) is heated ?...

What happens when `PCl_(5)` is heated ?

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`PCl_(3)` is more stable than `PCl_(5)` because on heating `PCl_(5)` decomposes to form `PCl_(3) and Cl_(2)`
`PCl_(5) overset(Delta)rarr PCl_(3) + Cl_(2)`
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