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Chemistry Test ...

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  • Question 1
    4 / -1

    The energy profile of the given reaction.


  • Question 2
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  • Question 3
    4 / -1

    A C7H14O optically active alcohol is oxidized by Jones’ reagent (H2CrO4) to an optically inactive (achiral) ketone. Which of the following compounds meets these facts?

  • Question 4
    4 / -1

    Which of the following set of quantum numbers represent the highest energy of an atom :-

  • Question 5
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    During adsorption the ΔH is –ve and the magnitude of –ve value

  • Question 6
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    pH of a mixture of 1 M HA (pKa = 4.2) and 1 M NaA is 4.5. In 300 ml of buffer volume of HA is [log 2 = 0.3]

  • Question 7
    4 / -1

    If the anions (A) form hexagonal closest packing and cations (C) occupy only 2/3 of the octahedral voids in it, then the general formula of the compound would be

  • Question 8
    4 / -1

    On mixing 10 mL of acetone with 40 mL of chloroform, the total volume of the solution is :

  • Question 9
    4 / -1

    Calculate the internal energy change of one mole of an ideal gas during an adiabatic free expansion process from a volume of 2 litre to 5 litre.

  • Question 10
    4 / -1

    At 67ºC and 1 bar pressure, dinitrogen tetra oxide is 50% dissociated into nitrogen dioxide. ΔGº for the process :

    2NO2(g) ⇌ N2O4(g) is -

    (R =  25/3 J/K.mol, ln2 = 0.7, ln3 = 1.1)

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