OTS Chemistry Chemical Equilibrium Mcqs Online Test

Kc value has?

Which of the following will not change the concentration of ammonia at the equilibrium ?

Sodium benzoate and benzoic acid are mixed in equimolar ration to form buffer if pKa is 2 what will be the pH?

AgCl dissolved with conc (2x10-2) Ksp will be?

If a buffer solution of higher pH than seven is to be made we use?

  pH of an aqueous solution is 5.5. The hydroxyl ion conc. In the solution would be ?

Which of following is not a base? 

The pH of 10-3 mol dm-3 of an aqueous solution of H2SO4 is? 

In which of the following equilibria will Kc and Kp have the same value?

For a reaction involving only gases at 25?C the equilibrium constant can be expressed in terms of molarity Ke or partial pressure Kp. Which is true about the numerical value of Kp?