In a chemical reaction,a catalyst . . . . .
- Ais consumed in the reaction.
- Bdecreases the activation energy.
- Cdecreases the $\Delta H$ of the forward reaction.
- Dincreases the $\Delta H$ of the forward reaction.
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Similar Questions
In the oxidation of oxalic acid by $KMnO_4$,the color of $KMnO_4$ disappears slowly at the start of the reaction but disappears very fast afterwards. This is an example of:
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View SolutionWhen acidified $KMnO_4$ is added to hot oxalic acid solution,the decolourization is slow in the beginning,but becomes very rapid after some time. This is because :
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View SolutionWhen $KMnO_4$ solution is added to hot oxalic acid solution,the decolorization is slow in the beginning but becomes instantaneous after some time. This is because
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View SolutionWhich of the following is an example of homogeneous catalysis?
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View SolutionMatch List-$I$ with List-$II$.
List-$I$ (Processes/Reactions) List-$II$ (Catalyst) $A. 2 SO_{2(g)} + O_{2(g)} \rightarrow 2 SO_{3(g)}$ $I. V_{2}O_{5}$ $B. 4 NH_{3(g)} + 5 O_{2(g)} \rightarrow 4 NO_{(g)} + 6 H_{2}O_{(g)}$ $II. Pt_{(s)}-Rh_{(s)}$ $C. N_{2(g)} + 3 H_{2(g)} \rightarrow 2 NH_{3(g)}$ $III. Fe_{(s)}$ $D. \text{Vegetable oil}(l) + H_{2} \rightarrow \text{Vegetable ghee}(s)$ $IV. Ni_{(s)}$
Choose the correct answer from the options given below.
| List-$I$ (Processes/Reactions) | List-$II$ (Catalyst) |
|---|---|
| $A. 2 SO_{2(g)} + O_{2(g)} \rightarrow 2 SO_{3(g)}$ | $I. V_{2}O_{5}$ |
| $B. 4 NH_{3(g)} + 5 O_{2(g)} \rightarrow 4 NO_{(g)} + 6 H_{2}O_{(g)}$ | $II. Pt_{(s)}-Rh_{(s)}$ |
| $C. N_{2(g)} + 3 H_{2(g)} \rightarrow 2 NH_{3(g)}$ | $III. Fe_{(s)}$ |
| $D. \text{Vegetable oil}(l) + H_{2} \rightarrow \text{Vegetable ghee}(s)$ | $IV. Ni_{(s)}$ |
Choose the correct answer from the options given below.
DifficultJEE MAIN 2022
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