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Chemistry Test 208
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  • Question 1/10
    4 / -1

    What is the value of electron gain enthalpy of Na+ if IE1 of Na = 5.1eV ?

  • Question 2/10
    4 / -1

    Among the elements Ca, Mg, P and Cl, the order of increasing atomic radii is

  • Question 3/10
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    Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species

  • Question 4/10
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    With which of the following electronic configuration an atom has the lowest ionisation enthalpy?

  • Question 5/10
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    The ions O2−,F−,Na+, Mg2+ and Al3+ are isoelectronic. Their ionic radii show

  • Question 6/10
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    Which of the following are not state functions?

    (I) q + w

    (II) q

    (III) w

    (IV) H - Ts

  • Question 7/10
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    The enthalpy and entropy change for the reaction:

    Br2(l) + Cl2(g) → 2BrCl(g)

    are 30 kJmol−1 and 105 JK−1mol−1 respectively. The temperature at which the reaction will be in equilibrium is

  • Question 8/10
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    Stainless steel does not rust because

  • Question 9/10
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    In electrolytic purification, which of the following is made of impure metal?

  • Question 10/10
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    The resistance of 1N solution of acetic acid is 250 ohm, when measured in a cell having a cell constant of 1.15 cm−1. The equivalent conduction (in ohm−1cm2. equiv−1) of 1N acetic acid is ......

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