1. | \(1 \times 10^{-4}\) |
2. | \(1 \times 10^{-6} \) |
3. | \(1 \times 10^{-5} \) |
4. | \(1 \times 10^{-3} \) |
Aqueous solution of which of the following compounds is the best conductor of electric current?
1. Acetic acid,
2. Hydrochloric acid, HCl
3. Ammonia,
4. Fructose,
The strongest acid among the following compounds is:
1. | HClO3 | 2. | HClO4 |
3. | H2SO3 | 4. | H2SO4 |
At 25 ºC, the dissociation constant of a base, BOH, is 1.0 × 10–12. The concentration of hydroxyl ions in 0.01M aqueous solution of the base would be:
1. | 1.0 × 10–6 mole L–1 | 2. | 1.0 × 10–7 mole L–1 |
3. | 2.0 × 10–6 mole L–1 | 4. | 1.0 × 10–5 mole L–1 |