Discussion
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- Question
The effect of pressure on the heat capacity of the gases __________ is negligible.
Options- A. at pressure below one atmosphere
- B. below the critical temperature
- C. both(a)&(b)
- D. neither (a) nor (b)
- Correct Answer
- both(a)&(b)
- 1. Pick out the wrong statement.
Options- A. Raoult's law holds good for the solubility of polar gases in non-polar liquids.
- B. Molecules with symmetrical arrangement (e.g., CH4 and CCl4) are non-polar.
- C. Most of the hydrocarbons are nonpolar.
- D. Generally, nonpolar compounds are chemically inactive, conduct electricity poorly and do not ionise. Discuss
- 2. 'Giga' stands for
Options- A. 109
- B. 10-12
- C. 1012
- D. 1015 Discuss
- 3. Cp is expressed in S.I. unit as
Options- A. J/kg.°K
- B. 0°K
- C. W/m2. °C
- D. W/m. °K Discuss
- 4. Kopp's rule is helpful in finding the
Options- A. heat capacities of solids.
- B. heat capacities of gases.
- C. molal heat capacities of gases.
- D. activation energy. Discuss
- 5. __________ kg of CaC03 on heating will give 56 kg of CaO.
Options- A. 56 .
- B. 100
- C. 144
- D. 1000 Discuss
- 6. The value of gas constant 'R' is __________ kcal/kg.mole.°C.
Options- A. 2.79
- B. 1.987
- C. 3.99
- D. none of these Discuss
- 7. The equilibria relations in a multicom-ponent and multiphase system can not be calculated with the help of the
Options- A. phase rule
- B. experimental data
- C. emperical equations
- D. theoretical equations Discuss
- 8. The latent heat of vaporisation
Options- A. decreases with increased temperature.
- B. decreases as pressure increases
- C. becomes zero at the critical point.
- D. all (a), (b) & (c). Discuss
- 9. 1 torr is equal to __________ mm Hg column.
Options- A. 1
- B. 0.1
- C. 10
- D. 1000 Discuss
- 10. Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is
Options- A. 80.1°C.
- B. less than 80.1°C.
- C. 100°C.
- D. greater than 80.1°C but less than 100°C. Discuss
Stoichiometry problems
Search Results
Correct Answer: Raoult's law holds good for the solubility of polar gases in non-polar liquids.
Correct Answer: 109
Correct Answer: J/kg.°K
Correct Answer: heat capacities of solids.
Correct Answer: 100
Correct Answer: none of these
Correct Answer: phase rule
Correct Answer: all (a), (b) & (c).
Correct Answer: 1
Correct Answer: greater than 80.1°C but less than 100°C.
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