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Chemistry-

General

Easy

Question

In a multistep reaction such as $A plus B rightwards arrow Q rightwards arrow C$ , $E subscript a end subscript$ for the reaction $Q rightwards arrow C$ which statement is true?

Reaction $A + B \to Q$ is faster
Reaction $Q \to C$ is faster
Reaction in (a) and (b) are equal
Unpredictable

The correct answer is: Reaction $Q rightwards arrow C$ is faster

Since $E subscript a end subscript$ for the reaction $A plus B rightwards arrow Q blank left parenthesis 25 minus 7 equals 18 blank k c a l blank m o l to the power of negative 1 end exponent right parenthesis$ is greater than $E subscript a end subscript$ for the reaction $Q rightwards arrow C blank left parenthesis 3 blank k c a l blank m o l to the power of negative 1 end exponent right parenthesis$ . Therefore, reaction $Q rightwards arrow C$ is faster

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