In a reversible reaction,a catalyst is a substance that .....

  • A
    Increases the rate of the forward reaction.
  • B
    Decreases the enthalpy change of the reaction.
  • C
    Decreases the time taken to reach equilibrium.
  • D
    Decreases the rate of the backward reaction.

Explore More

Similar Questions

$2x_{(g)} + y_{(g)} \rightleftarrows 2z_{(g)} + 80 \ kcal$
Which combination gives the highest yield of $z$ at equilibrium?

Observe the following equilibrium:
$Fe^{3+}_{(aq)} + SCN^{-}_{(aq)} \rightleftharpoons [Fe(SCN)]^{2+}_{(aq)}$
(yellow) (colorless) (deep red)
Addition of aqueous oxalic acid solution to the above equilibrium:

Based on Le Chatelier's principle,which of the following information is obtained?

What is the effect of increasing pressure on the dissociation of $PCl_5$ according to the equation $PCl_{5(g)} \rightleftharpoons PCl_{3(g)} + Cl_{2(g)} - x \ cal$?

$(a)$ What is required in chemical synthesis? What will be done for that?
$(b)$ Write Le Chatelier's principle.

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo