19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
The pH of 0.5 M aqueous solution of HF (Ka = 2 × 10–4) is
In decimolar solution, CH3COOH is ionised to the extent of 1.3%. If log 1.3 = 0.11, what is the pH of the solution ?
At a certain temperature the value of pKw is 13.4 and the measured pH of solution is 7. The solution is
What is the pH of a 0.015 M Ba(OH)2 solution ?
An acid solution of pH = 6 is diluted hundred times. The pH the solution becomes :
A is an aqueous acid; B is an aqueous base. They are diluted separately, then
The pH of a 0.1 M aqueous solution of a weak acid (HA) is 3. What is its degree of dissociation ?
What will be the pH of a solution formed by mixing 40 ml of 0.10 M HCl with 10 ml of 0.45 M NaOH
x x
What will be the pH of the solution obtained by mixing 10 cc of N/10 HCl and 10 cc of N/10 NaOH ?
The pH value of 0.1 M hydrochloric acid is approximately 1. The approximate pH value of 0.05 M sulphuric acid is most likely to be
2 1 [OH [O / 2 10 OH x x x x
A solution of an acid has pH = 4.70. Find out the concentration of OH– ions (pKw = 14)
A solution contains 10ml of 0.1 N NaOH and 10 ml of 0.05 Na2SO4. pH of this solution is
The pH of a solution is increased from 3 to 6; its H + ion concentration will be :
The dissociation constants of monobasic acids A, B, C and D are 6 × 10 –4, 5 × 10 –5, 3.6 × 10 –6 and 7 × 10 –10 respectively. The pH values of their 0.1 molar aqueous solutions are in the order :
Equal volumes of two solutions of hydrochloric acid are mixed. One solution has a pH 1 while the other has a pH 5. The pH of the resulting solution is :
The pH of a 10 –9 M solution of HCl in water is
What is the pH value of N/1000 KOH solution
If the pH value is 4.5 for a solution then what is the H+ concentration? (a) 3.162 10 mol / L x (b) 31.62 10 mol / L x (c) 0.3162 10 mol / L x (d) 3.162 10 mol / L x
Which of the following has highest pH?
The number of H+ in 1 cc of solution of pH = 13 is
The solution of hydrochloric acid has pH = 4, the molar strength of this solution is
Calculate the OH– ion concentration of NaOH of which pH is 12.
Four grams of NaOH solid are dissolved in just enough water to make 1 litre of solution. What is the [H+] of the solution ?