If H2O is taken in large excess, the order of the reaction will be:
A
1
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B
0
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C
3
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D
2
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Solution
The correct option is A 1 Comparing the rate law, the order w.r.t. H2O=2. w.r.t. [CH3Cl]=1 ∴r=[CH3Cl][H2O]2 Overall order = 1 + 2 = 3 If H2O is in excess, the order of the reaction will be 1.