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11th Standard English Medium Chemistry Subject Creative 2 Mark Questions with Solution Part - I

11th Standard English Medium Chemistry Subject Creative 2 Mark Questions with Solution Part - I

11th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 20
    10 x 2 = 20

  1. Balance the following equations by oxidation number method - \({ K }Mno_{ 4 }+{ Na }_{ 2 }{ So }_{ 3 }\longrightarrow { MnO }_{ 2 }+{ Na }_{ 2 }{ So }_{ 4 }+KOH\)

  2. How many electrons in sulphur (z = 16) can have n + 1 = 3?

  3. Oxygen an fluorine have lower electron affinity, then sulphur and chlorine in their respective groups. Explain why?

  4. How is deuterium prepared from heavy water?

  5. Account for the low solubility of lithium fluoride in water.

  6. Derive the units of the vanderwaal's constants.

  7. Define heat of solution.

  8. "At constant volume addition of inert gas has no effect on equilibrium" - Justify

  9. Define mole fraction of a component in a solution ?

  10. (i) x, Y and Z elements have 4, 5 and 7 valence electrons. Draw the structure of XH4, YH5,YH3 and H-Z.
    Which of these compounds possess highest dipole moment ?

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