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D and F Block Elements Test - 1
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D and F Block Elements Test - 1
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  • Question 1/6
    1 / -0

    The highest oxidation state of Cr will be

    Solutions

    There are 6 electrons in its ultimate and penultimate shell.

     

  • Question 2/6
    1 / -0

    Which statement is true about the transitional elements

    Solutions

    They show variable oxidation state due to participation of ns and (n - 1)d electrons.

     

  • Question 3/6
    1 / -0

    Which is heaviest among the following

    Solutions

    Gold; ([Xe]5d106s1).

     

  • Question 4/6
    1 / -0

    Transitional elements exhibit variable valencies because they release electrons from the following orbits

    Solutions

    (n – 1)d and ns orbits.

     

  • Question 5/6
    1 / -0

    The tendency towards complex formation is maximum in

    Solutions

    d-block elements; because

    (i) Small atomic size

    (ii) High nuclear charge

    (iii) Presence of vacant d-orbitals

     

  • Question 6/6
    1 / -0

    Which forms coloured salts

    Solutions

    Transitional elements form coloured salts due to the presence of unpaired electrons in d-orbital.

     

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