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12th Standard English Medium Chemistry Subject p - Block Elements - II Creative 1 Mark Questions with Solution Part - I Question Bank Software Jun-18 , 2021

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12th Standard English Medium Chemistry Subject p - Block Elements - II Creative 1 Mark Questions with Solution Part - I

12th Standard English Medium Chemistry Subject p - Block Elements - II Creative 1 Mark Questions with Solution Part - I

12th Standard

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Chemistry

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5

  1. Catenation property of group 15 elements, follow the order _______.

    (a)

    N < P < As < Sb < Bi

    (b)

    P >> N > As > Sb > Bi

    (c)

    P < N < As < Sb < Bi

    (d)

    N>> P > As > Sb > Bi

  2. Which is dibasic?

    (a)

    Orthophosphoric acid

    (b)

    Pyrophosphoric acid

    (c)

    Orthophosphorus acid

    (d)

    Hypophosphorous acid

  3. Allotrope of sulphur which shows paramagnetic behaviour _______.

    (a)

    S8- Rhombic

    (b)

    S8- Monoclinic

    (c)

    S2- In vapour phase

    (d)

    Not possible

  4. Pick the wrong one among the following

    (a)

    F2 - Yellow

    (b)

    Br2 - Red

    (c)

    Cl2 - Colourless

    (d)

    I2- Violet

  5. When Copper is heated with cone HNO3 it produces

    (a)

    Cu (NO3)2 and N2O

    (b)

    Cu (NO3)2 and NO2

    (c)

    Cu (NO3)2 and NO

    (d)

    Cu (NO3)2 NO and N2O

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