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  • Question

  • Heat of neutralisation of HCl and NaOH is - 57.46 kJ/Kg mole. The heat of ionisation of water will be __________ kJ/Kg mole.


  • Options
  • A. 57.46
  • B. -57.46
  • C. 114.92
  • D. -28.73

  • Correct Answer
  • 57.46 

    • Stoichiometry problems

    Search Results

    • 1. Kopp's rule is useful for the determination of

    • Options
    • A. molal heat capacities of gases.
    • B. heat capacities of solids.
    • C. activation energy.
    • D. heat capacities of gases.
      • Discuss
    • 2. The temperature at which a real gas obeys Boyle's law is termed as the

    • Options
    • A. triple point
    • B. Boyle's temperature
    • C. eutectic point
    • D. inversion temperature
      • Discuss
    • 3. Which of the following gases is the most soluble in water?

    • Options
    • A. NH3
    • B. CO2
    • C. H2S
    • D. CH4
      • Discuss
    • 4. Cv for monoatomic gases is equal to(where, R = gas constant)

    • Options
    • A. R
    • B. 1.5 R
    • C. 2R
    • D. 3R
      • Discuss
    • 5. Enthalpy of a vapor gas mixture may be increased by increasing the

    • Options
    • A. temperature at constant humidity.
    • B. humidity at constant temperature.
    • C. temperature and the humidity.
    • D. all (a), (b) & (c).
      • Discuss
    • 6. Pick out the wrong statement:

    • Options
    • A. Clausius-Clapeyron equation relates the latent heat of vaporisation to the slope of the vapor pressure curve.
    • B. At the boiling point of liquid at the prevailing total pressure, saturated absolute humidity is infinite.
    • C. Percentage saturation and relative saturation are numerically equal for an unsaturated vapor gas mixture.
    • D. Clapeyron equation is given by,; where, P = vapor pressure, T = absolute temperature, ? = latent heat of vaporisation, VG and VL = volumes of gas and liquid respectively.
      • Discuss
    • 7. __________ fuels require the maximum percentage of 'excess air' for complete combustion.

    • Options
    • A. Solid
    • B. Liquid
    • C. Gaseous
    • D. Nuclear
      • Discuss
    • 8. A 'limiting reactant' is the one, which decides the __________ in the chemical reacation.

    • Options
    • A. equilibrium constant
    • B. conversion
    • C. rate constant
    • D. none of these
      • Discuss
    • 9. For an ideal gas, the compressibility factor

    • Options
    • A. decreases with pressure rise.
    • B. is unity at all temperature.
    • C. is unity at Boyle's temperature.
    • D. zero.
      • Discuss
    • 10. A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be

    • Options
    • A. 0°C
    • B. 0°K
    • C. -136.5°C
    • D. -136.5°K
      • Discuss

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