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Question

The decomposition of dimethyl ether leads to the formation of CH4,H2 and CO and the reaction rate is given
By rate = K[CH3OCH3]32
The rate of reaction is followed by increase in pressure in a closed vessel and the rate can be expressed in terms of the partial pressure of dimethyl ether i.e, Rate = K(pCH3OCH3)32
If pressure is measured in bar and time in minutes, the units of rate constant are

A
(bar)32min1
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B
(bar)32min1
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C
(bar)12min1
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D
(bar)1min1
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Solution

The correct option is C (bar)12min1
Rate=k(pCH3OCH3)32
barmin=k(bar)32k=(bar)12min1

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