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D and F Block E...

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  • Question 1
    4 / -1

    The radius of La3+(At. No of La = 57) is 1.06Å given values will be closest to the radius of Lu3+ (At. No. of Lu = 71)? A which one of the following

  • Question 2
    4 / -1

    The atomic numbers of V, Cr, Mn and Fe are respectively 23, 24, 25 and 26. which one of these may be expected to have the highest second ionization enthalpy ?

  • Question 3
    4 / -1

    When MnO2 is fused with KOH, a coloured compound is formed. The product and its colour is

  • Question 4
    4 / -1

    The colourless species is

  • Question 5
    4 / -1

  • Question 6
    4 / -1

    Equivalent weight of K2Cr2O7 in acidic medium is

  • Question 7
    4 / -1

    The correct order of ionic radii of Y3+ , La3+, Eu3++ and Lu3+ is

  • Question 8
    4 / -1

    Iodide of Millon’s base is

  • Question 9
    4 / -1

    Vanadyl ion is

  • Question 10
    4 / -1

    Monel metal is an alloy of

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