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Why does PC l(5) form PC l(3) & Cl(2) on...

Why does `PC l_(5)` form `PC l_(3) & Cl_(2)` on strong heating?

Text Solution

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`PCl_(5)` has 2 axial and 3 equatorial bonds. When `PCl_(5)` is heated, the weaker axial bonds break, forming `PCl_(3)`.
`PC l_(5) overset(Heat) to PCl_(3)+Cl_(2)`
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