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In the Haber’s process of synthesis of N...

In the Haber’s process of synthesis of `NH_3`

A

Mo acts as a catalyst and Fe as a promoter

B

Fe acts as a catalyst and Mo as a promoter

C

Fe acts as inhibitor & Mo as a catalyst

D

Fe acts as promoter & Mo as auto-catalyst

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The correct Answer is:
B
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ALLEN-SURFACE CHEMISTRY -ASSERTION & REASO
  1. In the Haber’s process of synthesis of NH3

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  2. Assertion(A): Langmuir adsorption is a single-layer phenomenon. Reas...

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  3. Assertion :- A sol of As(2)S(3) prepared by the action of H(2)S on As(...

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  4. Assertion(A): Physical adsorption of milecules on the surface requires...

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  5. Assertion :- Filtration of colloidal particles is not possible by filt...

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  6. Assertion :- A gas mixed with another gas forms a colloidal solution. ...

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  7. Assertion :- Lyophilic sol is more stable than lyophobic sol. Reaso...

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  8. Assertion :- Associated colloids are formed by aggregation of large no...

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  9. Assertion :- In case of chemical adsorption, (x)/(m) first increase th...

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  10. Assertion :- Physical adsorption forms multimolecular layer. Reason ...

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  11. Assertion :- The graphical representation of physical adsorption with ...

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  12. Assertion :- Zeolite is shape selective catalyst. Reason :- Size of ...

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  13. Assertion :- Lyophilic sol coagulate by adding other solvent. Reason...

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  14. Assertion :- Catalyst is more effective in powdered form. Reason :- ...

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  15. Assertion :- During physical adsorption multimolecular layers are form...

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  16. Assertion: A quious gold colloidal solution is red in colour. Reason...

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  17. Assertion(A): Alcohols are dehydrated to hydrocarbons in the pressure ...

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  18. Assertion(A): The micelle formed by sodiumm stearate in water has -COO...

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  19. Assertion: Reaction of SO(2) and H(2)S in the presence of Fe(2)O(3) ca...

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  20. Assertion(A): Fe^(3)+ can be used for coagulation of As(2)S(3) sol. ...

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  21. Assertion (A): Micelles are formed by surfactant molecules above the c...

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