Home
Class 12
CHEMISTRY
In the reaction aA+bB to products, if co...

In the reaction `aA+bB to` products, if concentration of A is doubled (keeping B constant) the initial rate becomes four times and if B is doubled (keeping A constant), the rate becomes double. What is the rate law equation and order of reaction ?

Text Solution

Verified by Experts

Rate `=k[A]^(2)[B]," order "=2+1=3`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • CHEMICAL KINETICS

    PRADEEP|Exercise ADDITIONAL QUESTIONS (VERY SHORT ANSWER QUESTIONS) V. First order reactions, pseudo first order reactions and radioactive disintegration|2 Videos

  • CHEMICAL KINETICS

    PRADEEP|Exercise ADDITIONAL QUESTIONS (VERY SHORT ANSWER QUESTIONS) VI. Activation energy, effect of temp. on rate (Arrhenius eqn.) and effect of catalyst on rate|4 Videos

  • CHEMICAL KINETICS

    PRADEEP|Exercise ADDITIONAL QUESTIONS (VERY SHORT ANSWER QUESTIONS) III. Molecularity, mechanism and difference between order and molecularity|8 Videos

  • BIOMOLECULES

    PRADEEP|Exercise IMPORTANT QUESTIONS (FOR BOARD EXAMINATION)|25 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    PRADEEP|Exercise IMPORTANT QUESTION FOR BOARD EXAMINATION|30 Videos

Similar Questions

Explore conceptually related problems

In the reaction of aA + bB + cC to Products, i) if concentration of A is doubled, keeping cone. of B and C constant, the rate of reaction becomes double ii) if concentration of Bis halved keeping cone. of A and C constant, the rate of reaction remains unaffected iii) if concentration of C is made 1.5 times, the rate of reaction becomes 2.25 times. The order of reaction is

In the reaction "a A"+"b B"to Products, if only concentration of A is doubled the rate becomes quadrupled and if further the vessel is reduced to half the volume, the rate becomes 8 times. The overall order of reaction is

Knowledge Check

  • In the reaction of aA + B + C rarr Products, i. If concentration of A is doubled, keeping conc. of B and C constant, the rate of reaction becomes double. ii. If concentration of B is halved keeping conc. of A and C constant, the rate of reaction remains unaffected. iii. If concentration of C is made 1.5 times, the rate of reaction becomes 2.25 times. The order of reaction is

    A
    1
    B
    2.5
    C
    3
    D
    3.5

  • In the reaction A + B rarr Products, keeping [A] constant if [B] is doubled , the rate becomes double and keeping [B] constant if [A] is doubled , the rate becomes four times. The order of reaction is :

    A
    1
    B
    2
    C
    3
    D
    4

  • For the reaction : aA+bB to Product (dx)/(dt)=k[A]^(a)[B]^(b) If concentration of A is doubled, rate becomes four times. If concentration of B is made four times, rate becomes doubled . Hence

    A
    `-(d[A])/(dt)=-(d[B])/(dt)`
    B
    `-(d[A])/(dt)=-4(d[B])/(dt)`
    C
    `-4(d[A])/(dt)=-(d[B])/(dt)`
    D
    None of these

    • Similar Questions

    Explore conceptually related problems

    The rate of a reaction is doubled when the concentration of reactant is doubled. What is the order of the reaction ?

    For a zero order reaction, The rate becomes double when the order of the reaction.

    In a reaction A + B to Products (i) If the initial concentration of A is doubled and B is kept constant, the rate of the reaction is doubled (ii) If the initial concentration both A and B are doubled the rate of reaction becomes eight times The rate law of the reaction is :

    Consider the reaction nA+nB to Products, when concentration of both reactant A and B is doubled the rate increases by eight times. However, when concentration of A is doubled keeping the concentration of B fixed the rate is doubled. The overall order of reaction is :

    For a 1st order reaction if concentration is doubled then rate of reaction becomes

    Home
    Profile