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a. Pentane and acetic acid
b. Oil and water
c. 1,1,1,1-tetrachloromethane and ethanol
d. Methanol and ethylamine
II. Liquid-liquid miscible mixtures can be separated through
a. chromatography
b. fractional distillation
c. filtration
d. both a and b
III. In fractional distillation, a large surface area for condensation is provided through
a. a thermometer
b. water bath
c. a fractionating column
d. reflux condenser
a. butane and hexane
b. ethane and propane
c. methane and ethane
d. pentane and butane
V. Which of the following mixtures are immiscible liquids
a. water and ethanol
b. toluen and ethanoic acid
c. benzene and benzoic acid
d. diethyl ether and hexane
5. a. Write the structural formula of the following organic compounds
i. 5-ethyl-2-methyl-3-heptyn-1-ol
ii. 4-methyl-2-hexanone
iii. 3,4-dipropyl-1,3-hexadien-5-yne
iv. 4-ethyl-5-methylcyclohexane
a. Pentane and acetic acid
b. Oil and water
c. 1,1,1,1-tetrachloromethane and ethanol
d. Methanol and ethylamine
II. Liquid-liquid miscible mixtures can be separated through
a. chromatography
b. fractional distillation
c. filtration
d. both a and b
III. In fractional distillation, a large surface area for condensation is provided through
a. a thermometer
b. water bath
c. a fractionating column
d. reflux condenser
B. List any 2 compounds of ketones and esters and their uses.
Nitrogen, halogens and sulfur in organic compounds can be detected by performing the ................ test.
Presence of carbon and hydrogen in organic compounds can be detected by heating the organic compounds with .............
B. How will you evaluate the effectiveness of the methods you used to purify the compounds?
2. A. Differentiate between qualitative and quantitative analysis.
B. Identify the suitable methods to separate each of the following mixtures and explain how to separate them
i. Vegetable oil and sugar
ii. Salt and sugar
iii. Benzene and benzoic acid
