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11th Standard English Medium Chemistry Subject Creative 5 Mark Questions with Solution Part - I

11th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 50
    10 x 5 = 50
  1. Write note on decomposition reaction

  2. Write a note on limitations of Bohr's atom model.

  3. Given the bona lengths of H2, Cl2, C - C bond in diamond, Si - C bond in carborundum and C - CI bond in CCl4 are 0.74, 1.9, 1.54, 1.93 and 1.76A respectively, find the covalent radius of hydrogen, chlorine, carbon in diamond, silicon and carbon in CCI4.

  4. Compare the structures of ice & water

  5. Explain the preparation and uses of the following compounds of calcium.

  6. Find the pressure of 5 mole CI2 gas filled in a 2 litre vessel at 27 °C temperature.

  7. Calculate the entropy change in the engine that receives 957.5 kJ of heat reversibly at 110°C temperature.

  8. Derive the Kp and Kc for the following equilibrium reaction.
    \({ H }_{ 2\left( g \right) }+{ I }_{ 2\left( g \right) }\rightleftharpoons { 2HI }_{ \left( g \right) }\)

  9. What are ideal and non-ideal solutions ? Explain with suitable diagram the behaviour of ideal solutions.

  10. Draw the lewis structure for
    Phosphoric acid

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