Which of the following statements is correct?
- A$A$ catalyst always increases the rate of reaction.
- B$A$ catalyst changes the nature of the products obtained in a reaction.
- C$A$ catalyst is always an external substance added to the reaction mixture.
- D$A$ catalyst is not consumed in the reaction.
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Similar Questions
The efficiency of a catalyst depends on which of the following?
Easy
View SolutionMatch 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:
| 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:
$2 SO_{2(g)} + O_{2(g)} \stackrel{V_{2}O_{5}}{\rightleftharpoons} 2 SO_{3(g)}$ is an example of
Which of the following is an example of a heterogeneous catalysis reaction?
$A$ catalyst is used:
Medium
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