Which set of solutes will form a buffer when dissolved in water to make 1 litter of solution ?

Related Mcqs:

1. If a buffer solution of higher pH than seven is to be made we use___________________?

   A. Strong acid and strong base
   B. Weak acid and strong base
   C. Weak acid and strong base
   D. Weak acid and its salt with strong base

2. Which one of the following is a buffer solution ?

   A. brine
   B. blood
   C. glue
   D. solution of CuSO4

3. When 0.01 moles of NaOH are added to a buffer solution, its PH changes from 4.745 to 4.832. What is its?

   A. 0.115
   B. 0.900
   C. 0.015
   D. 0.215

   Submitted by: Muhammad Ali Kunbhar

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

   A. 0
   B. 1
   C. 2
   D. any one

5. 58.5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be___________________?

   A. 0.1 M
   B. 1 m
   C. 1 M
   D. 0.1 N

6. When 0.5 mole of phosphoric acid is dissolved in aqueous solution how many moles of -ve and +ve ions are collected altogether ?

   A. 0.5
   B. 1
   C. 1.5
   D. 2

7. When a compound of transition element is dissolved in a solution of salt then it produces____________________?

   A. simples ions
   B. complex ions
   C. double salts
   D. strong anions

8. The main buffer system of the human blood is____________?

   A. H₂CO₃ – HCO₃
   B. H₂CO₃ – CO₃^2-
   C. CH₃COOH – CH₃COO^–
   D. NH₂CONH₂ – NH₂CONH⁺

   Submitted by: Muhammad Ali Kunbhar

9. 18g glucose is dissolved in 90g water the relative lowering in vapour pressure is equal to ___________________?

   A. 8
   B. 5.1
   C. 6
   D. one/fifty one

10. When common salt is dissolved in water ?

    A. Boiling point of water decrease
    B. Boiling point of water increase
    C. Boiling point of water remains same
    D. None of the above