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Chemistry Test ...

TIME LEFT - 09:59 MIN
  • Question 1
    4 / -1

    [Co(H2O)6]2+ has three unpaired electrons and has a calculated value of magnetic moment as 3.87 BM, which is quite different from the experimental value of 4.40BM. This is due to:

  • Question 2
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    The increasing order of basicity of the following compounds is:

  • Question 3
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    0.1 mole of N2O4( g) was sealed in a tube under one atmospheric conditions at 25∘C. Calculate the number of moles of NO2(g) present, if the Equlibrium N2O4(g) ⇌ 2NO2(g)(Kp=0.14) is reached after some time

  • Question 4
    4 / -1

    Directions For Questions

    Two solutions of a substance (non electrolyte) are mixed in the following manner: 

    480 mL of 1.5M first solution +520 mL of 1.2M second solution.

    ...view full instructions

    What is the molarity of the final mixture?

  • Question 5
    4 / -1

    The molecular shapes of SF4, CF4 and XeF4 are:

  • Question 6
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    Which of the following is an example of Baeyer-Villiger rearrangement?

  • Question 7
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    The percentage by volume of C3H8 in a mixture of C3H8, CH4 and CO is 36.5. Calculate the volume of CO2 produced when 100ml of the mixture is burnt in excess of O2.

  • Question 8
    4 / -1

    The species, having bond angles of 120° is:-

  • Question 9
    4 / -1

    Hard water when passed through ion exchange resin containing R'COOH groups, becomes free from:

  • Question 10
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    Chemical A is used for water softening to remove temporary hardness, A reacts with Na2CO3 to generate caustic soda. When CO2 is bubbled through A, it turns cloudy. What is the chemical formula of A?

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