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Which statement about zeolite is false ?...

Which statement about zeolite is false ?

A

They are used as cation exchanger

B

They have open structure which enables them to take up small molecules

C

Zeolitea are aluminosilicates having a three dimensional network

D

Some of the `SiO_(4)^(4-)` units are replaced by `AlO_(4)(5-)` and `AlO_(6)^(9-)` ions in zeolites

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Verified by Experts

The correct Answer is:
D
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OP TANDON-ADSORPTION AND CATALYSIS-OBJECTIVE QUESTIONS (LEVEL-A)
  1. Identify the gas which is readily adsorbed by activated charcoal?

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  2. Which of the following belong(s) to the family of enzymes?

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  3. Which statement about zeolite is false ?

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  4. Adsorpton of gases on solid surface is generally exothermic because :

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  5. Identify the correct statement regarding enzymes.

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  6. The extent of adsorption of a gas on a solid depends on the :

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  7. Which of the following is true in respect of chemical adsorption?

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  8. If x/m is the mass of adsorbate adsorbed per unit mass of adsorbent, P...

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  9. The efficiency of an enzyme to catalyse a reacrtion is due to its capa...

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  10. Although nitrogen does not adsorb on surface at room temperature, it a...

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  11. What is the equation form of Langmuir adsorption isotherm undre high p...

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  12. What is an adsorption isotherm? Describe Freundlich adsorption isother...

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  13. Which of the following statements is incorrect regarding physisorption...

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  14. Active charcoal is a good catalyst because :

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  15. According to the adsorption theory of catalysis the speed of the react...

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  16. The Langmuir adsorption isotherm is deduced using the assumption.

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  17. The efficiency of an enzyme to catalyse a reacrtion is due to its capa...

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  18. Activated charcoal is used to remove colouring matter from pure substa...

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  19. According to Freundlich adsorption isotherm, which of the following i...

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  20. 3g of actived chacoal was added to 50mL of acetic acid solution (0.06N...

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