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Question: For the reaction system 2NO (g) + O<sub>2</sub>(g) ¾® 2NO<sub>2</sub>(g) Volume is suddenly reduce...

For the reaction system

2NO (g) + O2(g) ¾® 2NO2(g)

Volume is suddenly reduced to half its value by increasing the pressure on it. If the reaction is of first order with respect to O2 and second order with respect to NO, the rate of reaction will –

A

Increase to four times of its initial value

B

Diminish to one-fourth of its initial value

C

Diminish to one-eighth of its initial value

D

Increase to eight times of its initial value

Answer

Increase to eight times of its initial value

Explanation

Solution

r = k [NO]2 [O2]1

As volume is reduced to half conc. become double

\ rate become 8 times