Regarding criteria of catalysis,which one of the following statements is not true?
- AThe catalyst is unchanged chemically at the end of the reaction.
- B$A$ small quantity of catalyst is often sufficient to bring about a considerable amount of reaction.
- CIn a reversible reaction,the catalyst alters the equilibrium position.
- DThe catalyst accelerates the reaction.
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In the reaction,$H_2O_{2(aq)} \xrightarrow{I^{-}_{(aq)}} H_2O_{(l)} + \frac{1}{2} O_{2(g)}$,the iodide ion acts as:
Which of the following acts as a promoter for nickel in the hydrogenation of oils?
Easy
View Solution$A$ catalyst is a substance which
MediumIIT 1983
View SolutionMatch List-$I$ with List-$II$.
List-$I$ List-$II$ $A$. $4NH_{3(g)} + 5O_{2(g)} \rightarrow 4NO_{(g)} + 6H_2O_{(g)}$ $I$. $NO_{(g)}$ $B$. $N_{2(g)} + 3H_{2(g)} \rightarrow 2NH_{3(g)}$ $II$. $H_2SO_{4(l)}$ $C$. $C_{12}H_{22}O_{11(aq)} + H_2O_{(l)} \rightarrow C_6H_{12}O_6 + C_6H_{12}O_6$ $III$. $Pt_{(s)}$ $D$. $2SO_{2(g)} + O_{2(g)} \rightarrow 2SO_{3(g)}$ $IV$. $Fe_{(s)}$
Choose the correct answer from the options given below.
| List-$I$ | List-$II$ |
| $A$. $4NH_{3(g)} + 5O_{2(g)} \rightarrow 4NO_{(g)} + 6H_2O_{(g)}$ | $I$. $NO_{(g)}$ |
| $B$. $N_{2(g)} + 3H_{2(g)} \rightarrow 2NH_{3(g)}$ | $II$. $H_2SO_{4(l)}$ |
| $C$. $C_{12}H_{22}O_{11(aq)} + H_2O_{(l)} \rightarrow C_6H_{12}O_6 + C_6H_{12}O_6$ | $III$. $Pt_{(s)}$ |
| $D$. $2SO_{2(g)} + O_{2(g)} \rightarrow 2SO_{3(g)}$ | $IV$. $Fe_{(s)}$ |
Choose the correct answer from the options given below.
The catalyst used in the hydrogenation of oils is:
Medium
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