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Fill in the blanks

1. …….. or …….. used as promoter for iron in Haber’s process

2. …….. destroys the activity of platinum in contact process

3. In the reaction CH3COOC2H5 + H2O → CH3COOH + C5H5OH ……. is act as auto calyst.

4. The decomposition of H2O2 rate is decreased by ………

5. As ……..is lowered in the presence of catalyst, more molecules take part in the reaction and hence the rate of the reaction increases.

6. The mechanism of friedel crafts reaction is explained by ………theory.

7. The catalyst used for the oxidation of HCl by air is …….

8. Thermal decomposition of KClO3 in the presence of …….. follows …….. theory.

9. Intermediate compound formation theory is unable to explain the mechanism of ………

10. Hydrogenation of ethylene in the presence of nickel catalyst follows …….. theory

1 Answer

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Best answer

1. Mo (or) Al2O3

2. AS2O3 catalyst poison

3. CH3COOH 

4. ethanol (or) Glycerol, negative catalyst

5. Activation energy

6. intermediate compound formation

7. CuCI2

8. MnO2 , intermediate compound formation theory 

9. heterogeneous catalysis

10. adsorption

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