Which of the following is an example of a heterogeneous catalysis reaction?
- A$2 SO_{2(g)} + O_{2(g)} \xrightarrow{NO_{(g)}} 2 SO_{3(g)}$
- BHydrolysis of aqueous sucrose solution in the presence of aqueous mineral acid
- C$2 H_2 O_{2(l)} \xrightarrow{Pt_{(s)}} 2 H_2 O_{(l)} + O_{2(g)}$
- DHydrolysis of an ester in the presence of aqueous mineral acid
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In a chemical reaction,a catalyst .......
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View SolutionWhich of the following is true about a catalyst?
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View SolutionWhich of the following is an example of heterogeneous catalysis?
Match the industrial process (Column-$I$) with the catalyst used (Column-$II$) and select the correct option.
Column-$I$ Column-$II$ $A$. Haber's process for ammonia $P$. Zeolite $B$. Oswald's process for $HNO_3$ $Q$. $Fe$ $C$. Contact process for $H_2SO_4$ $R$. $V_2O_5$ $D$. Cracking of hydrocarbons $S$. $Pt$ gauge
| Column-$I$ | Column-$II$ |
| $A$. Haber's process for ammonia | $P$. Zeolite |
| $B$. Oswald's process for $HNO_3$ | $Q$. $Fe$ |
| $C$. Contact process for $H_2SO_4$ | $R$. $V_2O_5$ |
| $D$. Cracking of hydrocarbons | $S$. $Pt$ gauge |
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View SolutionIn the reaction $KMnO_4 + H_2SO_4 + H_2C_2O_4$,the $Mn^{2+}$ ions act as:
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