Bromine can be liberated from KBr solution by the action of _______________?

Related Mcqs:

1. When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?

   A. phenol is unsaturated
   B. 2-bromophenol is insoluble in water
   C. a hydroxy group makes the benzene ring more susceptible to electrophilic attack
   D. acid-base reaction

2. Reacting bromine with benzene in the presence of sunlight will result in_______________?

   A. The rupturing of benzene ring
   B. Substitution reaction
   C. Addition reaction
   D. No-reaction

3. 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

4. Which of following metals can be displaced by all other metals from its solution ?

   A. Ag
   B. A
   C. Au
   D. Cu

5. The pH of 10-3 mol dm-3 of an aqueous solution of H2SO4 is_________________?

   A. 3
   B. 2.7
   C. 2
   D. 1.5

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

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

7. Which of the following is an example of liquid in gas solution?

   A. Opals
   B. Dust particles in smoke
   C. Paints
   D. Fog

8. 1 molar solution of glucose in water contains weight of glucose________________?

   A. 180g/dm3
   B. 170g/dm3
   C. 190g/dm3
   D. 195g/dm3

9. A 10 volume solution of H2O2 means_______?

   A. 10 grams of H2O2 solution liberate 10 mL of O2 at STO
   B. 10 gram equivalents of H2O2 liberates 10 mL of O2 at STP
   C. 10 litres of H2O2 liberates 19 mL of O2 at STP
   D. 1mL of solution of H2O2 liberates 10 mL of O2 at STP

   Submitted by: Muhammad Ali Kunbhar

10. Fehling solution react with HCHO to form precipitate of _____________?

    A. White colour
    B. Yellow colour
    C. Red colour 
    D. Blue colour

    Submitted by: Aamir khan Hullio