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d and f-Block Elements Test - 6
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  • Question 1/7
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    Which of the following is not a coinage metal?

  • Question 2/7
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    Which of the following statements is incorrect?

  • Question 3/7
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    The highest oxidation state of Cr is

  • Question 4/7
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    For Cr, the states +2, +3 +4 and +1 are well known, but the most stable state among these is

  • Question 5/7
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    Transition metal compounds are usually coloured. This is due to the electronic transitions

  • Question 6/7
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    Directions For Questions

    The following question has four choices, out of which ONLY ONE is correct.

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    Which of the following compounds is coloured?

  • Question 7/7
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    The number of unpaired electrons in Mn2+ (25) is

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