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  • Question 1
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    Only One Option Correct Type

    Direction (Q. Nos. 1-10) This section contains 10 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE is correct.

    Q.

    Of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one of them?

  • Question 2
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    Among the following series of transition metal ions, the one where all metal ions have 3d2 electronic configuration is (Atomic number, Ti = 22, V = 23, Cr = 24, Mn = 25) 

    [AIEEE 2004]

  • Question 3
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    For the four successive transition elements (Cr, Mn, Fe and Co), the stability of + 2 oxidation state will be there in which of the following order?

  • Question 4
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    The catalytic activity of transition metals and their compounds is mainly due to

  • Question 5
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    Many copper (I) compounds are unstable in aqueous solution and undergo disproportionation as 2Cu+ → Cu + Cu2+ . This is due to

  • Question 6
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    Gun metal is an alloy of

  • Question 7
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    In which of the following pairs both the ions are coloured in aqueous solution? (Atomic number, Sc = 21, Ti = 22, Ni = 28, Cu = 29, Co = 27)

  • Question 8
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    [Ti (H2O)6]3+ absorbs green and yellow region part of visible light. Then the transmitted colour of the compound is

  • Question 9
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    Compound of metal ion MX+(Z = 26) has a spin only magnetic moment of   BM The number of unpaired electrons and x value in the compound are

  • Question 10
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    In which of the following the stability of two oxidation states is correctly represented?

  • Question 11
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    Matching List Type

    Direction (Q. No. 11-13) Choices fo r the correct combination of elements from Column I and Column II are given as options (a), (b), (c) and (d), out of which one is correct.

    Q. 

    Match the Column I with Column II and mark the correct option from the given codes.

  • Question 12
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    Match the Column I with Column II and mark the correct option from the given codes.

  • Question 13
    1 / -0

    Match the Column I with Column II and mark the correct option from the given codes.

  • Question 14
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    Statement Type

    Direction : This section is based on Statement I and Statement II. Select the correct answer from the codes given below.

    Q. 

    Statement l : ,Cu2O and Ni-DMG complex are coloured.

    Statement II : It is due to charge transfer transition.

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