The colour of chlorine gas is_______________?

Related Mcqs:

1. Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?

   A. Cl2O
   B. ClO2
   C. Cl2O6
   D. Cl2O7

2. Which is the paramagnetic oxide of chlorine ?

   A. Cl2O7
   B. Cl2O6
   C. ClO2
   D. all

3. Which of the following terms is used for the mass of chlorine 35.5 ?

   A. relative atomic mass
   B. mass number
   C. atomic weight
   D. relative isotopic mass

4. A single chlorine free radical can destroy how many ozone molecules ?

   A. 10
   B. 100
   C. 10000
   D. 100000

5. Chlorine Cl when attached to benzene has________?

   A. +I and +R effect
   B. -1 and +R effect
   C. +1 and -R effect
   D. -I and -R effect

   Submitted by: Muhammad Ali Kunbhar

6. Z number for chlorine is __________?

   A. 35.5
   B. 17
   B. 15
   D. 21

   Submitted by: Aamir khan Hullio

7. On heating aldehydes with Fehlings solution we get a precipitate whose colour is_________________?

   A. pink
   B. black
   C. yellow
   D. brick red

8. Colour of fluorescene produced by cathode rays depends upon________________?

   A. Temperature
   B. Pressure
   C. Volume
   D. Composition of glass

9. The yellow colour in photochemical smog is due to presence of__________________?

   A. dinitrogen oxide
   B. nitrogen dioxide
   C. chlorine gas
   D. chlorine dioxide

10. On heating aldehydes with Fehlings solution we get a precipitate whose colour is_________________?

    A. pink
    B. black
    C. yellow
    D. brick red