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HALOGEN CONTAINING COMPOUNDS

1. How many structural isomers are possible for a compound with molecular formula C3H7Cl
Ans: 2

 

2. In CH3CH2Br, % of Br is
Ans: 75
Sol: 

 

3. Gem- dibromide is
Ans: CH3CBr2CH3
Sol: Gem-dihalides are those in which two halogen atoms are attached on the same carbon atom.

 

4. Ethylidene dibromide is
Ans:CH- CHBr2

 

5. Benzylidene chloride is
Ans: C6H5CH2Cl

 

6. Which of the following halide is 2º
       (a) Isopropyl chloride          (b) Isobutyl chloride
       (c) n-propyl chloride            (d) n-butyl chloride
Ans: Isopropyl chloride
Sol:

 

7. Haloforms are trihalogen derivatives of
Ans: Methane
Sol:
    

 

8. Benzene hexachloride is
Ans: 1, 2, 3, 4, 5, 6-hexachlorocyclohexane

 

9. Number of π − bonds present in B.H.C. (Benzene hexachloride) are
Ans: Zero

 

10. The general formula for alkyl halides is
Ans: CnH2n+1X

 

11. Which of the following is a primary halide
         (a) Isopropyl iodide                 (b) Secondary butyl iodide
         (c) Tertiary butyl bromide     (d) Neo hexyl chloride
Ans: d (Neo hexyl chloride)
Sol: Neohexyl chloride is a primary halide as in it Cl-atom is attached to a primary carbon.
                  

 

12. Full name of DDT is
Ans: 1, 1, 1-trichloro-2, 2-bis(p-chlorophenyl) ethane

Sol:
             

 

13. The compound which contains all the four 1º ,2º ,3º and 4º carbon atoms is
Ans: 3-chloro-2, 3-dimethylpentane
Sol:
               

Posted Date : 19-02-2021

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