Home
Class 12
CHEMISTRY
For a reaction involving solid, decreasi...

For a reaction involving solid, decreasing which given below will increase the rate of reaction?

A

Particle size

B

Concentration

C

Temperature

D

Pressure

Text Solution

Verified by Experts

Rate of reaction increases with increase of surface area. Smaller size of particles have large surface area.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    OMEGA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS (MCQ s)|36 Videos

  • BIOMOLECULES

    OMEGA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS |74 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    OMEGA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS (MCQs)|20 Videos

Similar Questions

Explore conceptually related problems

Wurtz reaction involves

A catalyst increases the rate of a reaction by:

Redox reaction involves:

A catalyst always increases the rate of reaction.

On increasing the temperature , the rate of a reaction:

Read the given passage and answer the questions A substance which alters the rate of chemical reaction without undergoing any change in mass and chemical composition at the end of reaction is called catalyst. It may be noted that catalyst which increases the speed of a reaction is called positive catalyst and catalyst which decrease the speed of reaction is called negative catalyst. The promoters are substances that enhance the activity of catalyst and poisons are the substances which decrease the activity of catalyts. What are poisons ?

Read the given passage and answer the questions A substance which alters the rate of chemical reaction without undergoing any change in mass and chemical composition at the end of reaction is called catalyst. It may be noted that catalyst which increases the speed of a reaction is called positive catalyst and catalyst which decrease the speed of reaction is called negative catalyst. The promoters are substances that enhance the activity of catalyst and poisons are the substances which decrease the activity of catalyts. How many types of catalysts are there ?

Read the given passage and answer the questions A substance which alters the rate of chemical reaction without undergoing any change in mass and chemical composition at the end of reaction is called catalyst. It may be noted that catalyst which increases the speed of a reaction is called positive catalyst and catalyst which decrease the speed of reaction is called negative catalyst. The promoters are substances that enhance the activity of catalyst and poisons are the substances which decrease the activity of catalyts. What are a positive catalysts ?

Read the given passage and answer the questions A substance which alters the rate of chemical reaction without undergoing any change in mass and chemical composition at the end of reaction is called catalyst. It may be noted that catalyst which increases the speed of a reaction is called positive catalyst and catalyst which decrease the speed of reaction is called negative catalyst. The promoters are substances that enhance the activity of catalyst and poisons are the substances which decrease the activity of catalyts. What are promoters ?

OMEGA PUBLICATION-CHEMICAL KINETICS -MULTIPLE CHOICE QUESTIONS (MCQ s)
  1. Consider the chemical reaction, N (2) (g) + 3 H (2)(g) to 2 NH (3) (...

    Text Solution

    |

  2. For a reaction involving solid, decreasing which given below will incr...

    Text Solution

    |

  3. Rate of first order reaction depends upon

    Text Solution

    |

  4. Under a given set of experimental conditions, with increase of concent...

    Text Solution

    |

  5. Rate at which a substance reacts depends upon its

    Text Solution

    |

  6. RCOO R ' + Na OH to RCOO Na + R ' OH. What type of reaction is this ?

    Text Solution

    |

  7. Units of rate constant for the first and zero order reactions in terms...

    Text Solution

    |

  8. Units of specific reaction rate for 2nd order reaction is

    Text Solution

    |

  9. The units of rate constant for first order equation.

    Text Solution

    |

  10. The hydrolysis of ester in alkaline medium is a

    Text Solution

    |

  11. Given the unit of second order rate constant

    Text Solution

    |

  12. The half life period of a zero order reaction is independent of initia...

    Text Solution

    |

  13. What is the effect of temperature on rate of a reaction.

    Text Solution

    |

  14. The activation energy of reaction is equal to

    Text Solution

    |

  15. The activation energy of a reaction can be determined by

    Text Solution

    |

  16. The wavelength of first spectral line in the balmer series is 6561 ang...

    Text Solution

    |

  17. The substance that increases the speed of a chemical reactions is call...

    Text Solution

    |

  18. The reaction rate is found to depend upon two concentration terms. The...

    Text Solution

    |

  19. For which of the following , the units of r constant and rate of the r...

    Text Solution

    |

  20. A zero order reaction is one whose rate independent of

    Text Solution

    |