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68% aqueous nitric acid cannot be concen...

`68%` aqueous nitric acid cannot be concentrated by further fractional distillation. Give reason. 

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OSWAAL PUBLICATION-Solved paper 2-exercise
  1. 68% aqueous nitric acid cannot be concentrated by further fractional d...

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  2. The cryoscopic constant and freezing point of benzene is "5.12 K kg mo...

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  3. E^(@) of three mctals A, B, C are +0.44 V, +1.37 V and -1.35 V. Arrang...

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  4. Mention one difference between a catalyst and a inhibitor.

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  5. Write the mathematical expression for Freundlich adsorptionisotherm.

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  6. Name the purest form of commercial iron.

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  7. A noble gas has the property to diffuse through rubber. Name the noble...

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  8. Write an equation for Swartz reaction.

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  9. CH(3)CHO overset("1) dil. NaOH")underset("2) "Delta)rarr X. Give the I...

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  10. Name the sugar moiety present in RNA molecule.

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  11. What do you mean by anisotropic solid?

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  12. When is ferrimagnetism observed in a substance?

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  13. ^^(m) of 0.05 M weak electrolyte is "50 Sm"^(2)mol^(-1),0^(@) of it is...

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  14. Draw a plot of In[R] versus t for a first order reaction. What is slop...

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  15. Give reason: Actinoid contraction is greater from element to element t...

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  16. Give reasons: Actinoids show variable oxidation states.

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  17. H-CHO overset("1) "RM(g)X," ether")underset("2) "H(2)O)rarrX overset(+...

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  18. Give reasons: i) Aspirin finds use in prevention of heart attacks.  ...

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  19. Give reasons: i) Aspirin finds use in prevention of heart attacks.  ...

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  20. What is a broad-spectrum antibiotic? Is penicillin a broad spectrum or...

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