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P - Block Eleme...

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  • Question 1
    4 / -1

    Bleaching powder is obtained by the action of chlorine gas and

  • Question 2
    4 / -1

    Conc. HNO3 reacts with iodine to give

  • Question 3
    4 / -1

    Which member of the halogen family (X2) does not show positive oxidation state ( X2+) ?

  • Question 4
    4 / -1

    The correct increasing order of ionic size of N3‒ ,Na+ , F‒ , O2‒ and Mg2+ is

  • Question 5
    4 / -1

    Elements of which of the following groups will form anions most readily ?

  • Question 6
    4 / -1

  • Question 7
    4 / -1

    Which one of the following sequences represents the correct increasing order of bond angles in the given molecules ?

  • Question 8
    4 / -1

    The correct sequence of arrangement of the following compounds in order of decreasing oxidation numbers of iodine is

  • Question 9
    4 / -1

    Which of the following represents the correct order of increasing p Ka values of the given acids?

  • Question 10
    4 / -1

    Arrange the acids (I) H2SO3, (II) H3PO3 and (III) HClO3 in the decreasing order of acidity

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