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

11th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 50
    10 x 5 = 50
  1. Balance the following equations by oxidation number method.
    KMnO4 + KOH + H2O2 ⟶ K2MnO4 + O2 + H2O

  2. Explain the angular distribution function of 1s, 2s, 3s, 2p, 3d and 4f orbits.

  3. Distinguish between electron affinity and electron negativity.

  4. Give the chemical properties of heavy water and water.

  5. Describe Solvay process (or) how is washing soda (or) sodium carbonate prepared in industries?

  6. Calculate the maximum % efficiency of thermal engine operating between 110o and 25o.

  7. At certain temperature and under a pressure of 4 atm, PCl5 is 10% dissociated. Calculate the pressure at which PCls will be 20% dissociated at temperature remaining constant.

  8. (i) Prove that relative lowering of vapour pressure is a colligative property.
    (ii) Write down the formula (and expand the terms) used for the determination of molar mass.

  9. Explain about the bonding in metals by molecular orbital theory.

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