The Following Reaction Is Second Order in a and First

question 158

Multiple Choice

The following reaction is second order in A and first order in B:
A + B → Products Rate = k[A]²[B]
What is the initial rate of this reaction in vessel (b) relative to the initial rate of this reaction in vessel (a) ? Each vessel has the same volume.Shaded spheres represent A molecules,and unshaded spheres represent B molecules present at the beginning of the reaction.

• A)rate in vessel (b)/rate in vessel (a)= 1:2
• B)rate in vessel (b)/rate in vessel (a)= 1:1
• C)rate in vessel (b)/rate in vessel (a)= 2:1
• D)rate in vessel (b)/rate in vessel (a)= 4:1

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