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At a particular time , in the reaction ...

At a particular time , in the reaction `3A+2Brarr4C` -

A

the rate of disappearance of B is 1.5 times that of A

B

the rate of disappearance of A is 1.5 times that of B

C

the rate of formation of C is half of the rate of disappearance of B

D

the rate of formation of C is 1.5 times greater than the rate of disappearance of A

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The correct Answer is:
B
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Knowledge Check

  • At a particular time , in the reaction aA+bBrarrcD , if the rate of disappearance of B is thrice that of A and the rate of formation of D is twice the rate of disappearance of A , then the ratio between a, b and c will be -

    A
    `1:2:1`
    B
    `1:2:3`
    C
    `1:3:2`
    D
    `2 :3:1`

  • After 200s of the initiation of the reaction, 2Ararr4B+(1)/(2)D, the concentration of B is 4xx10^(-2)"mol.L"^(-1) . At the particular time , the rate of the reaction is -

    A
    `10^(-4)"mol.L"^(-1).s^(-1)`
    B
    `2xx10^(-4)"mol.L"^(-1)`
    C
    `5xx10^(-5)"mol.L"^(-1).s^(-1)`
    D
    `2.5xx10^(-4)"mol.L"^(-1).s^(-1)`

  • At a given temperature, the equilibrium constant K_c for the reaction, A+BtoC is 10. At the same temperature the reaction is allowed to occur in a closed vessel of volume 1L. At a particular moment of time during the reaction, if the amount of A, B and C in the reaction system are 0.1,0.4 and 0.3 mol respectively then-

    A
    the reaction is in equilibrium at that moment
    B
    the reaction will occur to a greater extent towards left to attain equilibrium
    C
    the reaction will occur to a greater extent towards right to attain equilibrium
    D
    reaction will occur to greater extent towards left for achieving equilibrium and concentrations of reactants and products will be the same at new equilibrium
    • CHHAYA PUBLICATION-CHEMICAL KINETICS-MCQ HOTSPOT (Single Correct Type )
    1. At a particular time , in the reaction 3A+2Brarr4C -

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    2. At a particular time , in the reaction aA+bBrarrcD , if the rate of di...

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    3. After 200s of the initiation of the reaction, 2Ararr4B+(1)/(2)D, the...

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    4. The rate of formation of NO(2)(g) at a particular instance is 4xx10^(...

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    5. 2A(g)+B(g)rarrC(g) is a gaseous elementary reaction , the rate of whi...

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    6. At a particular temperature , a certain reaction is separately carried...

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    7. The rate of the reaction , A(3)Brarr(3)/(2)A(2) +(1)/(2) B(2), " is "...

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    8. The reaction -rate of the reaction AB(3)rarr(1)/(2)A(2)+(3)/(2)B2 ca...

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    9. 2A(g)+B(g)rarr Product. At a particular temperature, the reaction -rat...

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    10. The initial concentration of A in the reaction A rarrB is 0.01 (M) . ...

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    11. For a given reaction ArarrB , then time required for 75% disappearance...

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    12. In a zero -order reaction , initial concentration of the reactant is a...

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    13. The experimentally determined rate law for the following reaction is ,...

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    14. At a particular temperature , the rate constant of the reaction 2N(2)...

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    15. If the unit of the rate constant of a reaction is dm^(3//2).mol^(-1/...

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    16. In the reaction aA rarrbB , if the concentration of A is doubled , th...

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    17. The rate constant of the reaction ArarrB is 6.932xx10^(-3)"min"^(-1)...

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    18. A first order reaction takes t(1) and t(2)s for its 20% and 60% comp...

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    19. In acidic medium hydrolysis of dilute aqueous solution of sucrose is -

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    20. Which one of the following statement is correct -

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