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Chemistry Test ...

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  • Question 1
    4 / -1

    Referring to the following reactions the missing products A, B, C, and D respectively are

  • Question 2
    4 / -1

    Combustion of Hydrogen in a fuel cell at 300 K is represented as 2H2(g) + O2(g) → 2H2O(g). If ∆H and ∆G are -241.60 kJ mol-1 and -228.40 kJ mol-1 respectively for H2O then the value of ∆S for the above process is:

  • Question 3
    4 / -1

    At 25°C, pH range of phenolphthalein is.8-10. At 100°C, pH range of phenolphthalein would be

  • Question 4
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    A: Hybridization of carbon is sp2 in all its crystalline allotropes.

    R: There are alternate double-single bonds in each allotrope of carbon.

  • Question 5
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    The standard reduction potential for Cu2+/Cu is +0.34 V. Calculate the reduction potential at pH = 14 for the above couple.

  • Question 6
    4 / -1

    Which of the following will have least hindered rotation about carbon-carbon bond?

  • Question 7
    4 / -1

    The N which contribute least to the basicity of the compound is :

  • Question 8
    4 / -1

    In the hydroboration - oxidation reaction of propene with diborane, H2O2 and NaOH, the organic compound formed is:

  • Question 9
    4 / -1

    The method of zone refining of metals is based on the principle of

  • Question 10
    4 / -1

    The correct IUPAC name of the compound is

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