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Question


The preparation of ammonia by Haber's process is an exothermic reaction. If the preparation follows the following temperature pressure relationship for its % yield. Then the temperatures T1,T2 and T3, the correct option is:
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A
T3>T2>T1
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B
T1>T2>T3
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C
T1=T2=T3
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D
Nothing can be predicted
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Solution

The correct option is A T1>T2>T3
Explanation:
According to LeChateliers Principle: The effect of temperature when the process is exothermic, low temperature favours the forward reaction and when the process is endothermic, high-temperature favors the formation of products.

Since yield is higher is T3 compared to other temperatures so the correct order will be:

T1>T2>T3

Hence the correct answer is option B.

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