When equal volumes of 0.1 M NaOH and 0.01 M HCl are mixed, the pH of the resulting solution will be:
1. | 12.65 | 2. | 2.0 |
3. | 7.0 | 4. | 1.04 |
The pOH of a solution at 25 °C that contains 1×10-10 M of hydronium ions is:
1. | 7.00 | 2. | 4.00 |
3. | 9.00 | 4. | 1.00 |
The pH of a solution made by mixing 50 mL of 0.01 M barium hydroxide solution with 50 mL of H2O is
1. | 3.0 | 2. | 6.0 |
3. | 12.0 | 4. | 15.0 |
The pH of neutral water at is 7.0. As the temperature increases, ionisation of water increases. However, the concentration of H+ ions and OH- ions is equal. What will be the pH of pure water at 60°C ?
1. | Equal to 7.0 | 2. | Greater than 7.0 |
3. | Less than 7.0 | 4. | Equal to zero |
1. | 7.01 | 2. | 2 |
3. | 12 | 4. | 9 |
The concentration of hydrogen ion in a sample of soft drink is . The pH of the soft drink will be:
1. | 3.14
|
2. | 2.42
|
3. | 11.58
|
4. | 6.00 |
The number of ions present in 1 ml of a solution whose pH= 4 , is given as:
( )
1.
2.
3.
4.
1. | 3 | 2. | 2 |
3. | 4 | 4. | 1 |
When 0.1 mol of CH3NH2 is mixed with 0.08 mol of HCl and diluted to 1 L, the H+ ion concentration in the solution will be :
1.
2.
3.
4.
The pH of 0.1 M solution of the following compounds increases in the order of -
1.
2.
3.
4.