WorksheetsHYDROXY COMPOUNDS
Total questions: 10
Worksheet time: 19mins
Which of the following statement is NOT true about an alcohol?
Methanol is the simplest alcohol.
Alcohol is more polar than haloalkane.
Ethanol can be prepared by fermentation.
Solubility of alcohol in water increases with number of carbon atoms.
When bromine is added to phenol, the brown colour of bromine is decolourised and a white precipitate of 2,4,6-tribromophenol is formed. This is an example of
electrophilic addition
free radical substitution
electrophilic substitution
nucleophilic substitution
Oxidation of 2-pentanol produces compound X. X gives
positive result with Tollen's reagent.
positive result with Benedict's reagent.
a yellow precipitate wih alkaline iodine.
orange colour of hot acidified potassium dichromate solution turns green.
Classify the types of alcohol of the following molecule.
Primary alcohol
Secondary alcohol.
Tertiary alcohol
Aromatic alcohol.
Give the IUPAC name for the following sructure.
1,2- cyclopentanol.
1,2-pentanol.
1,2–cyclopentanediol.
1,2-pentanediol
Give the structure corresponding to 3–cyclohexyl–3–pentanol.
1-pentanol can be differentiate from 3-pentanol by using
Phosphorus (v) chloride
Lucas reagent
Alkaline iodine
Acidified potassium dichromate solution
Compound T is an alcohol and optically active. Upon oxidation with acidified KMnO4 solution, a ketone, U is formed. Compound T is
CH3CH2OH
CH3CH(OH)CH2CH3
(CH3)2C(OH)CH3
CH3CH2CH(OH)CH2CH3
The reaction between (CH3)2CHBr with KOH aqueous will give one of the following compounds
CH3CH2OH
CH3CH2CH2CH2OH
CH3CH2CH2OH
CH3CH(OH)CH3
Arrange the following compounds in order of increasing acidity.
Water, Phenol, Ethanol, 2-propanol
Ethanol, 2-propanol, water, Phenol
2-propanol, Ethanol, water, Phenol
Water, Phenol, Ethanol, 2-propanol
Phenol, water, Ethanol, 2-propanol
