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Express the rate of following reactions ...

Express the rate of following reactions
`PCl_5 to PCl_3 +Cl_2`

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Verified by Experts

The correct Answer is:
`-(d [PCl_5])/(dt) = (d[PCl_3])/(dt) = (d[Cl_2])/(dt)`
`(-d[PCl_5])/( dt) = (d[PCl_3])/( dt) = d[Cl_2] //dt `
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