CBSE Guess > Papers > Question Papers > Class XII > 2004 > Chemistry > Outside Delhi Set-II

CHEMISTRY (Set II—Outside Delhi)

Except for the following questions, all the remaining questions have been asked in Set I.

Q. 1. Which point defect lowers the density of a crystal? 1

Q. 2. Define mole fraction of a component in a solution. 1

Q. 6. Write structures of monomers used for getting (a) PVC and (b) PMMA. 2

Q. 7. Write the reactions with conditions for the following conversions: 2
(i) Methanal to Propan-1-ol (ii) Benzyl alcohol to Benzoic acid.

Q. 16. Explain the following terms: 3
(i) Peptization
(ii) Dialysis
(iii) Hardy-Sehuize rule

Or

Explain the following terms giving an example in each case:
(i) Emulsification
(ii) Coagulation
(iii) Electrophoresis

Q. 17. Complete the following nuclear reactions: 3
(i)

(ii)  

(iii)
(Note: Where the element is not identified put the symbol 'X')

Q. 18. Explain the following observations:
(i) In aqueous solution the Kb order is
      Et₂NH > Et₃N > EtNH₂
(ii) Nucleophilic substitution of p-nitrochlorobenzene is easier than that of chlorobenzene.
(iii) Amines are more basic than comparable alcohols.

Q. 23. Describe the following with example in each case: 3
(i) Biliquid propellants
(ii) Preservatives
(iii) Tranquilizers

Chemistry 2004 Question Papers Class XII
Delhi		Outside Delhi		Compartment Delhi		Compartment Outside Delhi
	Set I		Set I		Set I		Set I
	Set II		Set II		Set II		Set II
	Set III		Set III

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