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d and f Block Test - 7

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d and f Block Test - 7
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Weekly Quiz Competition
  • Question 1
    1 / -0.25

    Which among the following is not considered as a part of transition elements?

    Solution

    A transition metal is one that forms one or more stable ions which have incompletely filled d orbitals. On the basis of this definition, scandium and zinc do not count as transition metals - even though they are members of the d block.

  • Question 2
    1 / -0.25

    Which among the following transition metal has lowest melting point?

    Solution

    Zn has lowest melting point because it doesnot have any unpaired electrons.

  • Question 3
    1 / -0.25

    Transition metals with highest melting point is

    Solution

    W belongs to 5d series and also it have lot of unpaired electrons thus it forms strong metallic bonding.

  • Question 4
    1 / -0.25

    Transition metals with lowest melting point is

    Solution

    Zinc (Zn) has the  lowest melting point  in 3d series because of the absence of d-electrons.

  • Question 5
    1 / -0.25

    Which is the most stable oxidation state of iron?

    Solution

    Fe has d5  configuration in +3 oxidation state.

  • Question 6
    1 / -0.25

    Electronic configuration of Cu3+ is

    Solution

    Cu has atomic number 29.

  • Question 7
    1 / -0.25

    Maximum magnetic moment is shown by

    Solution

    Magnetic moment is maximum for the element having maximum unpaired electrons.

  • Question 8
    1 / -0.25

    Maximum oxidation state is shown by

    Solution

    Os shows maximum oxidation state of +8.

  • Question 9
    1 / -0.25

    Which one of the following compound is deliquescent?

    Solution

    ZnCl2   is  deliquescent.

  • Question 10
    1 / -0.25

    Which of the following ion has smallest radii?

    Solution

    In period when we move from left to right in a period atomic radii 1st decreases till nickel then starts increasing so Ni2+  has smallest radii.

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