ORGANIC COMPOUNDS CONTAINING HALOGENS – 3

1) A suitable reagent for converting a primary alcohol into the corresponding alkyl chloride is
a) HCI
b) HOCI
c)
d)

2) The reaction of ethylmagnesium iodide with acetaldehyde, after acidification, gives
a) 2-Butanol
b) 1-Butanol
c) 2-Methyl-2-propanol
d) 2-Methylpropanol.

3) What is Y in the reaction ?

a) 1-Butanol
b) 2-Butanol
c) 2-Methyl-2-propanol
d) 2-Methylpropanol.

4) To prepare 2-propanol from methylmagnesium bromide, the other chemical required is
a) HCHO
b)
c)
d)

5) Which of the following alcohols cannot be prepared by the action of a suitable Grignard reagent on an aldehyde or a ketone followed by acid hydrolysis ?
a) Ethyl alcohol
b) n-Propyl alcohol
c) Isopropyl alcohol
d) Methyl alcohol.

6) Which of the following reagents react with ethylamine to give ethyl alcohol ? 
a)
b)
c)
d)

7) Ethanol can be prepared by all methods except
a)
b)
c)
d)

8) Consider the following reaction :

In the statement, this reaction is known as X reaction and proceeds via a Y intermediate. X and Y stand respectively for
a) Heli-Volhard Zelinsky, carbanion
b) Sandmeyer, free radical
c) Wolff, carbene
d) Hunsdiecker, free radical

9) Which of the following is not a pesticide ?
a) BHC
b) DDT
c) Malathion
d) Sarpasil

10) DDT is prepared by reacting chlorobenzene with
a)
b)
c)
d)

11) Gammexane is
a) DDT
b) BHC
c) Chloral
d) Hexachloroethane

12) The molecular formula of DDT has
a) 5 CI atoms
b) 4CI atoms
c) 3CI atoms
d) 2CI atoms

13)
a) CH3 – CH2 – NO2
b) CH3 – CH2 –  O – NO2
c) CH3 – CH2 – NH2
d) None of these

14) Chloropurin is chemically
a) ClCH2NO2
b) Cl3NO2
c) Cl2CHNO2
d) None of these

15) The alkyl halide having the highest density is
a) CH3CI
b) CH3F
c) CH3I
d) C2H5I


Answer

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