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Question

How will the rate r=k[SO2][O2] of reaction, 2SO2+O22SO3, change if the volume of the reaction vessel is tripled?

A
It will be 13rd of its initial value
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B
It will be 3 times of its initial value
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C
It will be 9 times of its initial value
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D
It will be 19th of its initial value
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Solution

The correct option is D It will be 19th of its initial value
First we have to find order of reaction
So order of reaction is sum of power of reactent concentration in rate equation
So order = 1+1 =2
Now second order reaction so





Answer will be D

1141944_661571_ans_d69cfe841a834c3cbbafb78c873f1858.jpg

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