Question

2A + B - C +D
In this reaction, if we double the concentration of A, reaction rate become two times. And in other experiment
we double the concentration of A and B, reaction rate again become two times. What is the order of this
reaction?
(1) 1
(2) 3
(3) 2
(4) 1.5
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Answer 1

Answer:from the observation we can see that on changing B has no effect on rate and doubling the amount of A doubles the rate

So order is 1

Explanation: