A. Tetrachloroethane
B. Trichloroethane
C. Tetrachloromethane
D. Trichloromethane
Related Mcqs:
- Chemical formula of BHC, which is an insecticide is__________________?
A. C6H6Cl6
B. C6Cl6
C. C6H5Cl
D. C6H4Cl2 - Hydrocyanic acid (HCN) is used as an insecticide for____________________?
A. Controlling timber degradation by ants
B. Controlling poultry lice
C. Potato beetle
D. Citrus fruits - Which of the following is not an insecticide ?
A. Hydrocyanic acid
B. Nicotine
C. Sodium fluoride
D. Hexane - Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at _____________ °C ?
A. 15-30
B. 90-100
C. 250-300
D. < 0 - The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is _________________?
A. Dilute H2SO4
B. Oleum
C. Ultraviolet light
D. None of these - DDT stands for___________________?
A. Diethyl-diphenyl-trichloromethane
B. Dichloro-diphenyl-trichloromethane
C. diphenyl-dichloro-trichloromethane
D. Dichloro-diphenyl-trichloroethane - DDT should not be allowed to come in contact with iron (during its manufacture) to _______________?
A. Avoid its decomposition
B. Prevent sulphonation of the monochlorobenzene by the acid catalyst
C. Achieve non-hygroscopic property
D. None of these - Reaction of an alcohol with organic acid is called the ________________ reaction?
A. Saponification
B. Esterification
C. Neutralisation
D. Acidification - Carbon content of pitch (residue of coal tar distillation) is around ________________ percent?
A. 70
B. 55
C. 80
D. 94 - Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces ________________?
A. Nylon-6
B. Dacron
C. Polyester
D. PVC
