1.

The concentrationof a reactantdecreasesfrom0.2M to 0.1M in10minutes. Therateof thereactionis ______.

Answer»

`0.01 M`
`10^(-2)`
`0.01` mol `DM^(-3) "MIN"^(-1)`
1 mol` dm^(-3) "min"^(-1)`

Solution :RATE of REACTION = `(dx) /(dt) = [(0.2 - 0.1)/(10)] = (0.1)/(10)`
`0.01` mol `dm^(-3) "min"^(-1)`.


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