Which of the following mixtures forms the maximum boiling azeotrope?
1. | Heptane + Octane | 2. | Water + Nitric acid |
3. | Ethanol + Water | 4. | Acetone + Carbon disulphide |
The type of inter-molecular interactions present in:
(a) | n-Hexane and n-octane | (i) | Van der Waal’s forces of attraction |
(b) | NaClO4 and water | (ii) | Ion-dipole interaction |
(iii) | Dipole-dipole interaction |
(a) | (b) | |
1. | (i) | (ii) |
2. | (ii) | (ii) |
3. | (i) | (iii) |
4. | (iii) | (iii) |
The azeotropic mixture of water and ethanol boils at 78.15 oC. When this mixture is distilled, it is possible to obtain-
1. Pure H2O
2. Pure C2H5OH
3. Pure H2O as well as pure C2HOH
4. Neither H2O nor C2H5OH in their pure state