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For the reaction 2A+Bproducts, when the concentration of A and B both were doubled, the rate of the reaction increased from 0.3mol L−1 to 2.4mol L−1.  When the concentration of A alone is doubled, the rate increased from 0.3 mol L−1 to 0.6mol L−1Which one of the following statements is correct?

a.

Order of the reaction with respect to Bis2

b.

Order of the reaction with respect to Ais2

c.

Total order of the reaction is 4

d.

Order of the reaction with respect to B is 1



Question ID - 51945 | SaraNextGen Top Answer

For the reaction 2A+Bproducts, when the concentration of A and B both were doubled, the rate of the reaction increased from 0.3mol L−1 to 2.4mol L−1.  When the concentration of A alone is doubled, the rate increased from 0.3 mol L−1 to 0.6mol L−1Which one of the following statements is correct?

a.

Order of the reaction with respect to Bis2

b.

Order of the reaction with respect to Ais2

c.

Total order of the reaction is 4

d.

Order of the reaction with respect to B is 1

1 Answer
127 votes
Answer Key / Explanation : (a) -

r = K[A] [B] xy

⇒8 = 23 = 2x+y

⇒x + y = 3 ...(1)

⇒2 = 2x

⇒x = 1, y = 2

Order w.r.t. A = 1

Order w.r.t. B = 2

127 votes


127