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The p-Block Elements Test - 12

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The p-Block Elements Test - 12
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  • Question 1
    1 / -0

    SO2 + H2S → Product. The final product is

    Solution

    SO2 acts as an oxidising agent particularly when treated with stronger reducing agents. SO2 oxidizes H2S into S.

     

  • Question 2
    1 / -0

    On boiling an aqueous solution of KClO3 with iodine, the following product is obtained

    Solution

    2KClO3 + I2 → 2KIO3 + Cl2

     

  • Question 3
    1 / -0

    The formula of some fluorides is given below. Which of them will combine further with fluorine?

    Solution

    IF5 + F2 → IF7

     

  • Question 4
    1 / -0

    Which of the following halides is least stable and has doubtful existence

    Solution

    PbI4 is least stable because of two reasons

    (1) Size of iodine is biggest.

    (2) +2 oxidation state of Pb is more stable than +4 states because of inert pair effect.

     

  • Question 5
    1 / -0

    Which of the following halogens does not form oxyacid?

    Solution

    Fluorine does not form oxyacids because it is more electronegative than oxygen.

     

  • Question 6
    1 / -0

    Which of the following has greatest reducing power?

    Solution

    HI is the strongest reducing agent among halogen acids because of lowest bond dissociation energy.

     

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