Equilibrium questions
1777 published questions with worked solutions.
- 0.005 M acid solution has 5 pH. The percentage ionisation of the acid is
- Four species are listed below: I. HCO_3^-, II. H_3O^+, III. HSO_4^-, IV. HSO_3F. Which one of the following is the correct...
- Which of the following is not a Lewis acid?
- The strongest conjugate base is
- According to Lowry and Bronsted, the strength of an acid depends upon [J & K CET 2007]
- An example of a Lewis acid is
- Which of the following bases is weakest?
- Which one of the following is not an amphoteric substance?
- An acid solution of 0.005 M has a pH of 5. The degree of ionisation of acid is [BCECE 2007]
- A monoprotic acid in 1.00 M solution is 0.01% ionised. The dissociation constant of this acid is [BCECE 2006]
- The first and second dissociation constants of an acid H_2A are 1.0 10^ -5 and 5.0 10^ -10 respectively. The overall dissociation...
- Ostwald's dilution law is applicable for [Guj CET 2006]
- Which of the following is not a Lewis base?
- The pH of the solution 5 mL M 5 HCl +10 mL M 10 NaOH is
- pH of 0.1 M NH_3 aqueous solution is (K_b=1.8 10^ -5 )
- On mixing equal volumes of two buffer solutions of pH value 3 and 5, the pH of the resultant solution will be
- A solution contains 10 mL 0.1 N NaOH and 10 mL 0.05 N H_2SO_4, pH of this solution is [JCECE 2010]
- Hydrogen ion concentration in mol L ^ -1 in a solution of pH = 5.4 will be: **[AIEEE 2005]**
- A 0.01 M ammonia solution is 5% ionised, its pH will be
- The pH of millimolar HCl is
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