Andhra Pradesh Board Class 11 Chemistry Sample Papers 2011

Andhra Pradesh Board Sample Papers 2011 for Class 11 Chemistry

SAMPLE QUESTION PAPER
CHEMISTRY
CLASS 11

Time: 3 hours
Max. Marks: 60

SECTION - A
Note : Answer "all" the questions
1. Calculate the wavelength of a particle having 10 mg. of mass and
4 x105 Cm/Sec. Velocity?

2. Calculate the Oxidation number of sulphur in H2SO4 and H2S208.

3. In Xe O3, ‘Xe’ shows Sp3 hybridisation but the shape is Pyramidal.
Give the reason?

4. Why Na+ is having more IP than Na.

5. The molecular weight of a unknown hydrocarbon gas is equal to the
mass of 11.2 lit of O2 at STP. Name the hydrocarbon.

6. What is the Co-ordination number of ionic crystal with limiting radius
ratio of O.732 to 0.999.

7. What is hyperol? Give its formula.

8.What is ammonal and give its use?

9. Write any two effects of depletion of ozone layer.

10. Name two gases which are responsible for global warning.

SECTION - B

NOTE: Attempt any “Six” questions

11. Define RMS Velocity? If the RMS Velocity of CO2 gas is 4.4 x 10 Cm/Sec. At a given

tempereture, find the RMS Velocity of Ethane

12. Explain Boyle’s and Charle’s Lawas basing on the postulates of kinetic molecular theory of gases.

13.How Hydrogen peroxide renovates the old spoiled oil paintings Explain it with relevent reaction.

14.Explain the stages with equations that are involved in the production of an hydrous magnesium chloride from carnallite.

15.What is allotrophy? Explain the Structure of anyone of the Crystalline forms of Carbon.

16. Balance the following ionic equation (redox reaction) in basic medium by ion-election method. ‘

Cr (OH)3 + IO33 I + CrO42-

17. Write the corresponding equations for the following reactions and name the products.

18. Explain with example positional and functional isomerisms.

SECTION - C

Note : Attempt “any two” questions

19. State the Principles involved in writing the electronic configuration of atoms Explain them with example and necessary diagrame.

20. Explain the classification of elements into S, P, d, f blocks present in the periodic table.

21. Define hybridisation of atomic orbitals? Explain the Sp3 and Sp2 hybridisations with respect to ethane and ethylene molecules?

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