A. 3.6 x 10-6
B. 3.6 x 10-5
C. 7.2 x 10-6
D. 4 x 10-4
Correct Answer: 4 x 10-4 ✔
Last Updated: February 11, 2021
Related MCQs
- Ka<10-3 means__________?
- Idea of pH and pOH was put forward by__________?
- When the value of Kc is very small then__________?
- In case of gases Kc is replaced by__________?
- At start of reaction the concentration of reactants is__________?
- Chemical equilibrium state is__________?
- Which set of solutes will form a buffer when dissolved in water to make 1 litter of solution ?
- Which of following is not a base__________?
- In which of the following equilibria will Kc and Kp have the same value ?
- Sodium benzoate and benzoic acid are mixed in equimolar ration to form buffer if pKa is 2 what will be the pH ?
- Kc value has__________?
- Conjugated base of a weak acid is__________?
- Solution having the property of a very little change in pH on adding a small amount of strong acid or base is called__________?
- Which one of the following is a buffer solution ?
- Equilibrium state is achieved quickly by the addition of __________?
- By decreasing the pressure the reaction will go to that direction where__________?
- Solubility of any salt can be determined from__________?
- Addition of CH3COOH and CH3COONa gives in water__________?
- When sparingly soluble salt is in equilibrium with molar concentration of its oppositely charged ion when the product is called__________?
- Any substance which accepts H+ is base favours the concept__________?
- Negative log of mular concentration of H+ ions is called__________?
- By the addition of base in waterpH will be__________?
- Catalyst used to speed up the reaction of ammonia synthesis is__________?
- Rate expression for ammonia synthesis is__________?
- Unit of Kc is__________?
- Conversion of reactant into product in unit time is called__________?
- Reaction which proceeds in both directions is called__________?
- Which one of the following aqueous solutions will be basic ?
- 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 ?
- Which of the following will not change the concentration of ammonia at the equilibrium ?
- If a buffer solution of higher pH than seven is to be made we use__________?
- The pH of 10-3 mol dm-3 of an aqueous solution of H2SO4 is__________?