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Chemistry Test ...

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  • Question 1
    4 / -1

    Which of the following does not give iodoform test?

  • Question 2
    4 / -1

    What is the number of isomeric primary amines obtained from C4H11N?

  • Question 3
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    Which of the following is a repeating unit of synthetic rubber?

  • Question 4
    4 / -1

    Slag is represented by

  • Question 5
    4 / -1

    Which of the following is not a part of the biotic environment?

  • Question 6
    4 / -1

    In the reaction \(2 \mathrm{N}_{2} \mathrm{O}_{5} \rightarrow 4 \mathrm{NO}_{2}+\mathrm{O}_{2}\)
    \(\mathrm{NO}_{2}\) is being formed at the rate of \(0.0072 \mathrm{mol} \mathrm{L}^{-1} \mathrm{s}^{-1}\)
    If the reaction follows second order kinetics, what is the rate of the reaction when the concentration of \(\mathrm{N}_{2} \mathrm{O}_{5}\)
    is douled?

  • Question 7
    4 / -1

    The rate constants were found to be K1 and K2, when a reaction was carried out at 310 K and 290 K respectively.

    The two rate constants are related as:

  • Question 8
    4 / -1

    C-H bond energy is about 101 kcal/mol for methane, ethane and other alkanes, but is only 77 kcal/mol for C-H bond of CH3 in toluene. This is because

  • Question 9
    4 / -1

    The best method to separate the mixture of ortho and para nitrophenol (1 : 1) is

  • Question 10
    4 / -1

    Which of the following covalent bonds has the highest ionic character?

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