Chlorine Cl when attached to benzene has________?

Related Mcqs:

1. In benzene sulphonic acid the sulphonic group is attached with benzene ring through ___________________?

   A. Hydrogen
   B. Oxygen
   C. Sulphur
   D. OH

2. When – COOH is attached directly to the benzene ring the acid is called__________________?

   A. Aliphatic
   B. Alicyclic
   C. Carboxylic
   D. Aromatic

3. In primary alkyl halides the halogen atom is attached to a carbon which is further attached to how many carbon atoms__________________?

   A. two
   B. three
   C. one
   D. four

4. 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

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

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

6. 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

7. Which is the paramagnetic oxide of chlorine ?

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

8. The colour of chlorine gas is_______________?

   A. pale yellow
   B. freenish yellow
   C. reddish brown
   D. grayish black

9. Z number for chlorine is __________?

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

   Submitted by: Aamir khan Hullio

10. Replacement of hydrogen of benzene by alkyl group in the presence of alkyl halide & aluminum chloride is known as__________________?

    A. Dows process
    B. Friedel & Craft acylation
    C. Friedel & Craft alkylation
    D. Clemmenson reduction