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Question

For a reaction AB, ΔCB is 0.01 moles per litre in 20 seconds, what is the average rate of reaction?

A
5×104mole L1sec1
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B
0.2×104mole L1sec1
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C
0.5×104mole L1sec1
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D
2×104mole L1sec1
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Solution

The correct option is A 5×104mole L1sec1
It is given that for the reaction, AB, change in concentration (ΔCB) is 0.01 moles per litre in 20 seconds.
Rate of reaction =0.0120=5×104 mol lit1s1

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