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Chemistry Test ...

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  • Question 1
    4 / -1

    An element (atomic mass 100g/mol) having bcc structure has until cells edge 400 pm. Then density of the element is:

  • Question 2
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    Identify the correct order of the size of the following:

  • Question 3
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    The total number of orbitals associated with the principal quantum number 5 is

  • Question 4
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    A reaction at 1 bar is non-spontaneous at low temperature but becomes spontaneous at high temperature. Identify the correct statement about the reaction among the following:

  • Question 5
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    The solubility of N2 in water at 300 K and 500 torr partial pressure is 0.01  gL−1. The solubility (in gL−1) at 750 torr partial pressure is:

  • Question 6
    4 / -1

    For the reaction, A(g) + B(g) → C(g) + D(g), ΔH∘  and ΔS are respectively, –29.8 kJ mol−1 and −0.100kJK−1. The equilibrium constant for the reaction at 298 K is:

  • Question 7
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    What will occur if a block of copper metal is dropped into a beaker containing a solution of 1M ZnSO?

  • Question 8
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    A particular adsorption process has the following characteristics: (i) It arises due to van der Waals forces and (ii) it is reversible. Identify the correct statement that describes the above adsorption process:

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