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An elementary reaction occurs in a close...

An elementary reaction occurs in a closed vessel.
`2CO_((g))+O_(2(g))O_(2(g))to2CO_(2(g))`
If the volume of the reaction vessel is made one third of its original volume at constant temperature,the order of the reaction….of its original rate.

A

becomes twenty seven times

B

becomes nine times

C

becomes three times

D

becomes eighteen times

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The correct Answer is:
A
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