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12th Standard English Medium Chemistry Subject p - Block Elements - II Creative 2 Mark Questions with Solution Part - I

12th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 2 = 10
  1. Give two uses of nitric acid.

  2. What is the reaction of Phosphorous with alkali?

  3. Elements of group 16 show lower value of first ionization enthalpy compared to group 15, why?

  4. (i) Give correct order of boiling point of hydride of group 17.
    (ii) Fluorine exhibits only -1 oxidation state whereas other halogens show +1, +3, +5 and +7 oxidation state also Explain.

  5. There is a huge difference between the melting and boiling points of oxygen and sulphur. Why?

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