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SF6 is known but SCl6 is not. Why?...

`SF_6` is known but `SCl_6` is not. Why?

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MODERN PUBLICATION-TEST PAPER 1-EXERCISE
  1. Define threshold energy and activation energy. How are they related ?

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  2. What do you meant by activity and selectivity of the catalyst?

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  3. SF6 is known but SCl6 is not. Why?

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  4. Match the following columns

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  5. Why do compounds having similar geometry have different magnetic momen...

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  6. What are the forces involved in holding the drugs to the active site o...

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  7. Explain the amphoteric behaviour of amino acids.

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  8. Calculate packing étficiency of a face centred cubic metal crystal.

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  9. Represent in Cu-AgNO3 cell and write the net cell reaction.

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  10. What happens when acetamide is boiled with NaOH solution?

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  11. When ferric chloride is treated with potassium ferrocyanide, we get:

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  12. Elucidate the differences between soaps and detergents.

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  13. Explain the order of reactivity of 1^0 ,2^0 and 3^0 alcohols with sodi...

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  14. Which transition metal cation has maximum unpaired electrons ?

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  15. How does acetic acid reacts with •Iorine and phosphorus ? Give equatio...

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  16. While antacids and antiallergic drugs interfere with the function of h...

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  17. State Kohlrausch's law. Discuss with an example .

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  18. The expression for Raoult’s Law containing non volatile solute is –

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  19. How would you justify that the relative lowering in vapour pressure is...

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  20. How is sulphur dioxide prepared in the laboratory ? How does it react ...

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