Home
Class 12
CHEMISTRY
A catalyst increases the rate of the rea...

A catalyst increases the rate of the reaction by

A

increasing `E_a`

B

increasing T

C

decreasing `E_a`

D

decreasing T

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    CHETANA PUBLICATION|Exercise EXERCISE|112 Videos

  • Biomolecules

    CHETANA PUBLICATION|Exercise EXERCISE|98 Videos

  • Chemical Thermodynamics

    CHETANA PUBLICATION|Exercise EXERCISE|95 Videos

Similar Questions

Explore conceptually related problems

How catalyst increases the rate of reaction? Explain with help of potential energy diagram for catalyzed and unanalyzed reactions.

If the surface area of the reactants increases , then order of the reaction _____.

The rate of chemical reaction would

State the true false statemets A catalyst slows down the rate of reaction to make a better product .

Explain graphically the effect of catalyst on the rate of reaction.

A substance that decreases that rate of a chemical reaction is called _____________.

In a reaction, the concentration of reactant is increased two times and three times than the increases in rate of reaction were four times and nine times respectively, order of reaction is

Tertiary butyl bromide is hydrolysed by aqueous KOH . When the concentration of Koh is increased , the rate of reaction _________.

Rate law for the reaction A + B to product is rate =K [A]^(2) [B]. What is the rate constant if the rate of the reaction at a given temperature is 0.22Ms^(-1) , when [A]=1 M and [B]=0.25 M?

For a reaction A+2B rarr C , the rate law is, rate= kxx[A]xx[B]^2 . If the rate constant of the reaction is 3.74xx10^(-2) M^(-2)s^(-1) , calculate the rate of the reaction when the concentrations of A and B are 0.126 M and 0.142 M respectively.

CHETANA PUBLICATION-CHEMICAL KINETICS-EXERCISE
  1. The rate constant of a reaction

    Text Solution

    |

  2. The rate constant of a reaction is 2.1 xx 10^(-2) litre mol^(-1)s^(-1...

    Text Solution

    |

  3. A catalyst increases the rate of the reaction by

    Text Solution

    |

  4. The formation of SO3 from SO2 and O2 takes place in the following step...

    Text Solution

    |

  5. The Arrhenius equation is

    Text Solution

    |

  6. The rate of reaction at specific instant is called

    Text Solution

    |

  7. Rate constant does not depend upon unit of concentration for reactant ...

    Text Solution

    |

  8. The rate of reaction depends on reactants

    Text Solution

    |

  9. The rate of reaction is negative with respect to.

    Text Solution

    |

  10. The order of the reaction 2NO(g)+O(2(g))rarr 2NO(2(g)) having Rate = k...

    Text Solution

    |

  11. What are the units of rate constant of first order reaction?

    Text Solution

    |

  12. Which order of reaction obeys the expression t(1//2) = 1/(ka)

    Text Solution

    |

  13. The relation between half life and initial concentration is given by

    Text Solution

    |

  14. Tritium undergoes radioactive decay giving .

    Text Solution

    |

  15. Time required to complete 90% of the first order reaction is

    Text Solution

    |

  16. Half-life t(1//2) of first order reaction is

    Text Solution

    |

  17. Some bimolecular reactions which follow the kinetics of first order ar...

    Text Solution

    |

  18. In decomposition of NH(3(g))surface is used.

    Text Solution

    |

  19. Decomposition of NH3 takes place in presence of

    Text Solution

    |

  20. Decomposition of nitrous oxide takes place in presence of catalyst.

    Text Solution

    |