Which of the following statements regarding adsorption theory of heterogeneous catalysis is not correct?

  • A
    The reactant molecules get adsorbed on the surface of the catalyst.
  • B
    The chemical reaction occurs at the surface of the catalyst.
  • C
    The product molecules remain permanently bound to the catalyst surface.
  • D
    The catalyst remains unchanged in mass and chemical composition at the end of the reaction.

Explore More

Similar Questions

Which of the following statements is true for a catalyst?

The process which is catalysed by one of the products is called

$A$ catalyst increases the rate of reaction by...........

Match the following.
List-$I$ (Reaction)List-$II$ (Catalyst)
$A$. $N_{2(g)} + 3H_{2(g)} \longrightarrow 2NH_{3(g)}$$I$. $Ni$
$B$. $2H_{2(g)} + O_{2(g)} \longrightarrow 2H_2O_{(l)}$$II$. $Pt$
$C$. $CO_{(g)} + 3H_{2(g)} \longrightarrow CH_{4(g)} + H_2O_{(g)}$$III$. $ZnO-Cr_2O_3$
$D$. $CO_{(g)} + 2H_{2(g)} \longrightarrow CH_3OH_{(g)}$$IV$. $Fe$

The correct answer is:

$A$ catalyst is a substance that ......

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