In which of the following cases does the reaction go fastest to completion?
K=104
K=10−2
K=10
K=1
A
K=10−2
B
K=10
C
K=104
D
K=1
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Solution
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K is the ratio of active masses of products upon active masses of reactants
Therefore max the value of KMax products will be formed
When the value of the equilibrium constant K is very high, the concentrations of products is very high and the concentrations of reactants are very low. Hence, the reaction goes to completion.
This is true for the reaction in option A with K=104.
Hence, the correct option is A
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