COMEDK2024ChemistryHaloalkanes and HaloarenesActual
Choose the incorrect statement from the following.
Options
- ACarbon tetrachloride is used as a preservative for anatomical specimens
- BDichloromethane is used as a solvent in drug industry
- CFreon-12 acts as a propellant in aerosol sprays
- DDDT is useful to protect crops and to kill mosquitoes that spread malaria
Correct answer
A. Carbon tetrachloride is used as a preservative for anatomical specimens
Step-by-step solution
Carbon tetrachloride is primarily used as a solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins. It is also used as a fire extinguisher under the name Pyrene. It is not used as a preservative for anatomical specimens; formaldehyde is commonly used for that purpose. Dichloromethane is widely used as a solvent in the pharmaceutical industry, as a paint remover, as a propellant in aerosols, and as a process solvent in the manufacture of drugs. Freon-12 (dichlorodifluoromethane) is a chlorofluorocarbo