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Chemistry Test ...

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  • Question 1
    4 / -1

    The statement that is not correct for the periodic classification of elements is :

  • Question 2
    4 / -1

    The increasing order of acidic nature of Li2O, BeO, B2O3, CuO is

  • Question 3
    4 / -1

    Which of the following statements is wrong for the transition elements ?

  • Question 4
    4 / -1

    Which of the following is not isoelectronic series ?

  • Question 5
    4 / -1

    The first ionisation energy of Al is smaller than that of Mg because :

  • Question 6
    4 / -1

    Which of the following properties is affected by stable configuration of an atom ?

    (a) Electronegativity

    (b) Ionisation potential

    (c) Electron affinity    

    Correct answer is :

  • Question 7
    4 / -1

    Fluorine has the highest electronegativity among the ns2 np5 group on the Pauling scale, but the electron affinity of fluorine is less than that of chlorine because :

  • Question 8
    4 / -1

    Which of the following orders is incorrect ?

  • Question 9
    4 / -1

    The correct order of the increasing ionic character is :

  • Question 10
    4 / -1

    In which of the following sets the central atom of each member involves sp3 hybridisation ?

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