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Which of the following statements is mor...

Which of the following statements is more correct ?

A

A catalyst only accelerates the rate of chemical reaction

B

A catalyst can retard the rate of a chemical reaction

C

A catalyst can control the speed of the reaction

D

A catalyst alters the speed of the reaction

Text Solution

Verified by Experts

The correct Answer is:
D
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OP TANDON-ADSORPTION AND CATALYSIS-OBJECTIVE QUESTIONS (LEVEL-A)
  1. A catalyst is a substance which

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  2. A catalyst

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  3. Which of the following statements is more correct ?

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  4. A catalysts is a substance which :

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  5. Which of the following reactions is an examples of homogeneous catalys...

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  6. The substance which decreases the rate of a chemical reaction is calle...

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  7. The decomposition of hydrogen peroxide can be slowed by the addition o...

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  8. The temperature at which the catalystic activity of the catalysts is m...

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  9. Efficiency of the catalysts depends on its :

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  10. Which of the following types of metal form the most efficient catalyst...

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  11. Enzymes are made up of

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  12. In lead chambe process , which one of the following oxides is used as ...

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  13. Glucose or fructose is converted into C(2)H(5)OH in the presence of ?

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  14. The name catalysis was given by :

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  15. In the reaction KMnO(4) + H(2)SO(4) + H(2)C(2)O(4) to products, Mn^(2+...

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  16. In the Haber process of synthesis of NH(3) :

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  17. TEL, tetraethyl lead, acts as antiknocking agent. It acts as……………………… ...

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  18. Edges and peaks are more effective in a catalyst because :

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  19. An enzyme which brings about the conversion of starch into maltose is ...

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  20. Which of the following statements is incorrect ?

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