Q61 / 180 · AIIMS 2007 · Chemistry

A catalyst

  • A
    changes the equilibrium constant
  • Correct answer
    B
    lowers the activation energy
  • C
    increases the forward and backward reactions at different speeds
  • D
    follows same mechanism for the reaction.

Solution

A substance which increases the speed of a reaction without being consumed in the reaction is called a catalyst. Catalyst reduces the height of barrier by providing an alternative path for the reaction and lowers the activation energy.

Hence, the correct answer is option: 'B'.

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