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MODEL QUESTION PAPER 2 PUC IIModel

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MODEL QUESTION PAPER 2 PUC IIModel
MODEL QUESTION PAPER 2 PUC II

Model Question Paper-2

PUC-II

CHEMISTRY
Time: 3 hr-15 min.

Batch-02

Max Marks: 70

Instructions:
i)
ii)

The question paper has four parts, A, B, C and D. All parts are compulsory
Part-A Carries 10 marks
Part-B Carries 10 marks
Part-C Carries 15 marks
Part-D Carries 35 marks iii) Write balanced equations and draw diagrams wherever required
(Use log tables and the simple commercial calculator if necessary (use of scientific calculator is not allowed)
Part-A
I. Answer all questions,
1.
2.

10 X 1=10

3.

Define the term molality.
How does the enthalpy change during the formation of a non-ideal solution two liquids showing positive deviation from Raoult’s law?
What is a primary electrochemical cell?

4.

1130K /Mo
® N 2(g) + 3H 2(g) what is the order?
For the reaction 2NH 3(g) ¾¾¾¾

5.
6.
7.
8.
9.
10.

What do you mean by selectivity of a catalyst?
Give the chemical composition of Copper matte.
Name the noble gas that is radioactive?
Write the general equation of the preparation of alkyl chlorides from alcohols using SOCl2.
What are acetals?
Name the water insoluble component of the starch?

Part-B
II. Answer any five of the following each questions carries two marks
11.
12.
13.
14.
15.

5 X 2=10

An element having atomic mass 60 amu. has FCC unit cell. The edge length of the unit cell is 4x 102 pm.
Find the density of the unit cell.
Write two applications of Kohlrausch law.
The half-life period of a certain reaction is directly proportional to initial concentration of the reactant. predict the order of the reaction and write the expression to calculate the half-life period of the reaction.
Give two consequences of lanthanoids contraction.
Complete the following reaction;
0

Cu/300 C
CH3CH 2 OH ¾¾¾¾
®?

i) ii) 16.
17.
18.

R - COOH ¾¾
® RCH 2 OH . Name the reagent used in the conversion?
How does ketone react with ethylene glycol. Write chemical equation for the reaction.
What are analgesics? Give an example for non-narcotic

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