The electrolyte having the same value of Van't Hoff factor (i) as that of Al2(SO4)3 (if all are 100% ionized) is:
1. K2SO4
2. K3[Fe(CN)6]
3. Al(NO3)3
4. K4[Fe(CN)6]
1. | 0.05 M NaCl | 2. | 0.1 M KCl |
3. | 0.1 M MgSO4 | 4. | 1 M NaCl |
The van’t Hoff factor (i) for a dilute aqueous solution of a strong electrolyte barium hydroxide is:
1. 0
2. 1
3. 2
4. 3
Statement I: | At 20 °C, the molality of KCl solution is 'X' m, and on decreasing temperature to -10 °C molality remains unchanged. |
Statement II: | On changing temperature mass remains unchanged. |
1. | Both Statement I and Statement II are True. |
2. | Both Statement I and Statement II are False. |
3. | Statement I is True, and Statement II is False. |
4. | Statement I is False, and Statement II is True. |
1. | 20% | 2. | 40% |
3. | 60% | 4. | 80% |