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Chemistry Test ...

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  • Question 1
    1 / -0

    Which one of the following ions has the lowest magnetic moment ?

  • Question 2
    1 / -0

    The set(s) representing the incorrect order of ionic radius is/are:

  • Question 3
    1 / -0

    What is the total number of valence electrons in the peroxydisulphate, \(S_{2} O_{8}^{2-},\) ion?

  • Question 4
    1 / -0

    Atomic radii of fluorine and neon in angstrom units are, respectively, given by :

  • Question 5
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    Select the correct order of 2nd ionization energy of C, N, O, and F.

  • Question 6
    1 / -0

    The incorrect hydrated radius order is:

  • Question 7
    1 / -0

    Select equations having exothermic step.
    (I) \(S_{(g)}^{-} \rightarrow S_{(g)}^{2-}\)
    \(( II ) N a_{(g)}^{+}+C l_{(g)}-\rightarrow N a C l_{(s)}\)
    \((\) III \() N _{(g)} \rightarrow N _{(g)}\)
    (IV) \(A l_{(g)}^{2+} \rightarrow A l_{(g)}^{3+}\)
    Choose the correct code(s).

  • Question 8
    1 / -0

    Which terms are exothermic for the formation of NaF(s)?
    \(I \cdot N a_{(g)} \rightarrow N a_{(g)}^{+}+e^{-}\)
    II. \(F_{(g)}+e^{-} \rightarrow F_{(g)}\)
    \(\operatorname{III.} N a_{(g)}^{+}+F_{(\bar{g})} \rightarrow N a F_{(s)}\)

  • Question 9
    1 / -0

    Which configuration represents atom having the highest second ionization energy ?

  • Question 10
    1 / -0

    From the electronic configuration of the given element K, L, M and N, which one has the highest ionization potential:

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