p - Block Elements - II Three Marks Questions

12th Standard EM

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Chemistry

Time : 00:45:00 Hrs
Total Marks : 30
    10 x 3 = 30
  1. Give the balanced equation for the reaction between chlorine with cold NaOh and hot NaOH.

  2. How will you prepare chlorine in the laboratory?

  3. Give the uses of sulphuric acid.

  4. Give a reason to support that sulphuric acid is a dehydrating agent.

  5. Write the reason for the anamolous behaviour of Nitrogen.

  6. Write the molecular formula and structural formula for the following molecules.
    a) Nitric acid
    b) dinitrogen pentoxide
    c) phosphoric acid
    d) phosphine

  7. Give the uses of argon.

  8. Write the valence shell electronic configuration of group-15 elements.

  9. Discuss the anomalous nature of fluorine.

  10. Out of H2O and H2S which one has higher bond angle and why?

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