Which of the following statements is incorrect?
- A$A$ catalyst is specific in its action.
- B$A$ very small amount of catalyst can change the rate of reaction.
- CThe number of free valencies on the surface of a catalyst increases with more division.
- D$Ni$ is used as a catalyst in the preparation of ammonia.
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Similar Questions
Which of the following is an example of homogeneous catalysis?
Easy
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.
According to the adsorption theory of catalysis,the rate of reaction increases because:
Easy
View SolutionMatch List-$I$ with List-$II$.
List-$I$ List-$II$ $A. N_{2(g)} + 3H_{2(g)} \rightarrow 2NH_{3(g)}$ $I. Fe_xO_y + K_2O + Al_2O_3$ $B. CO_{(g)} + 3H_{2(g)} \rightarrow CH_{4(g)} + H_2O_{(g)}$ $II. Ni$ $C. CO_{(g)} + H_{2(g)} \rightarrow HCHO_{(g)}$ $III. Cu$ $D. CO_{(g)} + 2H_{2(g)} \rightarrow CH_3OH_{(g)}$ $IV. Cu/ZnO - Cr_2O_3$
Choose the correct answer from the options given below.
| List-$I$ | List-$II$ |
| $A. N_{2(g)} + 3H_{2(g)} \rightarrow 2NH_{3(g)}$ | $I. Fe_xO_y + K_2O + Al_2O_3$ |
| $B. CO_{(g)} + 3H_{2(g)} \rightarrow CH_{4(g)} + H_2O_{(g)}$ | $II. Ni$ |
| $C. CO_{(g)} + H_{2(g)} \rightarrow HCHO_{(g)}$ | $III. Cu$ |
| $D. CO_{(g)} + 2H_{2(g)} \rightarrow CH_3OH_{(g)}$ | $IV. Cu/ZnO - Cr_2O_3$ |
Choose the correct answer from the options given below.
Zeolites are useful as catalysts in ........
Easy
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