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12th Standard English Medium Chemistry Subject p - Block Elements - II Creative 2 Mark Questions with Solution Part - II updated Creative Questions Question Bank Software May-13 , 2022

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

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

12th Standard

    Reg.No. :
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Chemistry

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

  1. How is SO2 an air pollutant?

  2. Give the reason for bleaching action of Cl2.

  3. Arrange the following as indicated below:
    (i) F2, Cl2, Br2, I2 - increasing bond dissociation enthalpy.
    (ii) HF, HCI, HBr, HI - increasing acidic strength.

  4. Explain Why inspite of nearly the same electronegativity, nitrogen forms hydrogen bonding while chlorine does not - Give reason.

  5. (i) Nitric oxide becomes brown when released in air. Why?
    (ii) BiCl3 is more stable than BiCl3, Why?

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