Q. 1
According to Trouton’s rule, the ratio between the enthalpy of vaporization and boiling point is equal to
- a. 88 JK-1mole-1
- b. 10.5 JK-1mole-1
- c. 55 JK-1mole-1
- d. 27JK-1mole-1
- e. 85 JK-1mole-1
- Answer: A
- Explaination: Explanation: According to Trouton’s rule, the ratio between the enthalpy of vaporization and boiling point is equal to 88 JK-1mole-1.
Q. 2
Doping of IV A group element Ge with the V A group element Ar produces
- a. Insulator
- b. Conductor
- c. p-type semiconductor
- d. n-type semiconductor
- e. Can’t be predicted
- Answer: D
- Explaination: Explanation: Doping of Ge with Ar produces n-type semiconductor, which can conduct electricity through electrons.
Q. 3
Choose the correct statement from the following. Consider Tob - Boiling point of pure solvent, Tb – Boiling point of the solution.
- a. Tob > Tb
- b. Tob = Tb
- c. Tob
- d.
- e.
- Answer: A