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Chemistry Test ...

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  • Question 1
    4 / -1

    0.5 molal solution acetic acid (M.W. = 60) in benzene (M.W. = 78) boils at 80.80 °C. The normal boiling point of benzene is 80.10 °C and Δvap H = 30.775 KJ/mol. Which of the following option is correct regarding percent of association of acetic acid in benzene.

  • Question 2
    4 / -1

    Ore of Y would be

  • Question 3
    4 / -1

    Product is:

  • Question 4
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  • Question 5
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    [X3B ← NH3], in which of the following boric halide, tendency to accept electrons from nitrogen of ammonia will be least (X = halogens)

  • Question 6
    4 / -1

    E1, E2 and E3 are activation energies then, which of the following is correct.

  • Question 7
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    The ionic molar conductivities of  ions are x, y and z S cm2 mol–1, respectively then value of  of (NaOOC – COOK) is

  • Question 8
    4 / -1

    For a gas obeying the van der waals equation at critical temperature, which of the following is true.

  • Question 9
    4 / -1

    X + HNO3→ Y + NO2 + H2O + S
    Y + ammonium molybdate → yellow ppt.
    Identity which of the following is (X):

  • Question 10
    4 / -1

    x% Oleum in water is treated with 0.5l of 2.75 M Ca(OH)2 solution. The resulting solution required 15.7 gm of H3PO3 (Assume strong acid) solution for complete neutralization. Calculate the amount of free SO3 in 100 gms of oleum

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