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Chemistry Test ...

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  • Question 1
    4 / -1

    Gadolinium has a low value of third ionisation enthalpy because of

  • Question 2
    4 / -1

    If radius of second Bohr orbit of the He+ion is 105.8pm, what is the radius of third Bohr orbit of Li2+ ion?

  • Question 3
    4 / -1

    Given below are two statements:

    Statement I: Cr2+ is oxidising and Mn3+ is reducing in nature.

    Statement II: Sc3+ compounds are repelled by the applied magnetic field.

    In the light of the above statements, choose the most appropriate answer from the options given below:

  • Question 4
    4 / -1

    Which of the following reactions is the metal displacement reaction? Choose the right option

  • Question 5
    4 / -1

    Identify the incorrect statement.

  • Question 6
    4 / -1

    Which one of the following ions exhibits d−d transition and paramagnetism as well?

  • Question 7
    4 / -1

    Name the gas that can readily decolourise acidified KMnO4 solution.

  • Question 8
    4 / -1

    The reason for greater range of oxidation states in actinoids is attributed to

  • Question 9
    4 / -1

    Which one of the following statements is correct when SO2 is passed through acidified K2Cr2O7 solution?

  • Question 10
    4 / -1

    The catalytic activity of transition metals and their compounds is ascribed mainly to

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