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Solution


Q.

Match List I with List II

  List I (Compound)   List II (Uses)
A. Iodoform I. Fire extinguisher
B. Carbon tetrachloride II. Insecticide
C. CFC III. Antiseptic
D. DDT IV. Refrigerants

 

Choose the correct answer from the options given below:                         [2024]
1 A–II, B–IV, C–I, D–III  
2 A–III, B–I, C–IV, D–II  
3 A–I, B–II, C–III, D–IV  
4 A–III, B–II, C–IV, D–I  

Ans.

(2)

Iodoform: It was used earlier as an antiseptic but the antiseptic properties are due to the liberation of free iodine and not due to iodoform itself. Due to its objectionable smell, it has been replaced by other formulations containing iodine.

Carbon tetrachloride: It is used as fire extinguisher, cleaning fluid, degreasing agent, in the manufacture of refrigerants and propellants for aerosol cans etc.

CFCs: These are usually produced for aerosol propellants, refrigeration and air conditioning purposes.

DDT: It is the first chlorinated organic insecticide.