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Chemistry Test ...

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  • Question 1
    1 / -0

    The correct name of \(\left[ Pt \left( NH _{3}\right)_{4} Cl _{2}\right]\left[ P tCl _{4}\right]\) is:

  • Question 2
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    The rate of reaction becomes 2 times for every 10° rise in temperature. How much will the rate of reaction will increase, when the temperature is increased from 30°C to 80°C?

  • Question 3
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    If the ionization enthalpy and electron gain enthalpy of an element are \(275\) and \(86\) \(\mathrm{kcal}\) \(\mathrm{mol}^{-1}\) respectively, then the electronegativity of the element on the Pauling scale is:

  • Question 4
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    Calculate the heat of formation of diborane \(\left[\mathrm{B}_{2} \mathrm{H}_{6}(\mathrm{~g})\right]\) at \(298 \mathrm{~K}\) if the heat of combustion of it is \(-1941 \mathrm{~kJ} / \mathrm{mol}\) and heats of formation of \(\mathrm{B}_{2} \mathrm{O}_{3(\mathrm{~s})}\) and \(\mathrm{H}_{2} \mathrm{O}_{(\mathrm{g})}\) are \(-2368 \mathrm{~kJ} / \mathrm{mol}\) and \(-241.8 \mathrm{~kJ} /\) mol respectively.

  • Question 5
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    The conversion of atomic hydrogen into ordinary hydrogen is:

  • Question 6
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    One mole of \(\mathrm{N}_{2} \mathrm{O}_{4}(\mathrm{g})\) at \(300 \mathrm{K}\) is kept in a closed vessel at \(1 \mathrm{atm}\) pressure. It is heated to \(600 \mathrm{~K}\) when \(20 \%\) by mass of \(\mathrm{N}_{2} \mathrm{O}_{4}(\mathrm{g})\) decomposes to \(\mathrm{NO}_{2}(\mathrm{g})\). The resultant pressure is

  • Question 7
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    Consider the following statements:

    A. Organic compounds are compounds of carbon.

    B. Organic compounds contain covalent bonds.

    C. Carbon tetrachloride is not an organic compound.

    Which of the above statements is/are correct?

    Select the code for the correct answer from the options given below:

  • Question 8
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    The element Californium belongs to the family of:

  • Question 9
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    If \(\mathrm{H}-\mathrm{X}\) bond length is \(2.00 \mathring{A}\) and \(\mathrm{H}-\mathrm{X}\) bond has dipole moment \(5.12 \times 10^{-30} \mathrm{Cm}\), the percentage of iconic character in the molecule will be:

  • Question 10
    1 / -0

    Which of the following is not an artificial sweetener?

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