Worksheetsalcohol
Total questions: 20
Worksheet time: 20mins
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.
3-cyclohexyl-1-butanol can be differentiate from 1-cyclopentanol by using
Iodoform test
Lucas Test
Alkaline iodine
Acidified potassium dichromate solution
Which compound has the highest boiling point?
CH(OH)2CH2CH3
CH(CH3)2CH2CH3
CH2(OH)CH2CH3
CH(CH3)2CH2CH2(C6H5)
2-butanol heated with acidified KMnO4 solution produced
butanone
butene
butanoic acid
butane
Ethanoic acid heated with 2-propanol in the presence of concentrated H2SO4 produced
ester (2-propyl ethanoate)
salt
carboxylic acid (pentanoic acid)
alcoholic
What is the name of the functional group present in alcohols?
carboxyl
carbon to carbon double bond
hydroxyl
hydroxyn
Name this branched alcohol
propanol
2-methylpropan-1-ol
2-methylpropan-2-ol
butanol
What is the chemical test to distinguish class of alcohols (primary, secondary and tertiary alcohol)
Baeyer's Test
Tollens' Test
Iodoform Test
Lucas Test
What is the name of reaction to prepared alcohols?
Fermentation and Dehydration
Fermentation and Hydration
Fermentation and Esterification
Fermentation and Reaction with Na
What is the gases released based on this reaction?
CO2 gas
H2 gas
Br2 gas
O2 gas
What is the reagent/condition can be used to produce alcohols from alkenes?
conc H2SO4 and heated
Na
H2/ Pt
H2O / H+
Which compound of alcohols is highest boiling point?
1-butanol
2-methyl-2-butanol
hexanol
1,4-butanediol
Why alcohols is higher boiling point than alkanes?
Because can form Van der Waal's forces between molecules
Because can form hydrogen bond forces between molecules
Because can form dimer structures between molecules
Because can form covalent bond between molecules
Which of the class of alcohols can be produced ketone when reacted with acidified KMnO4 and heated?
primary alcohol
secondary alcohol
tertiary alcohol
all the class of alcohols
Compound Z, is one of class of alcohols. When alcohol Z is reacted with conc HCl and ZnCl2, the cloudy solution appear immediately. But when compound Z react with acidified KMnO4 heated, no reaction occur. What is the compound Z?
Primary alcohol
Secondary alcohol
Tertiary alcohol
Quaternary alcohol
Why 2-butonal most soluble in water than 2-octanol. What is the key factor?
Because factor of intermolecular forces
Because factor of molecular weight
Because factor of surface areas
Because factor of hydrophobic areas
What is the side product for this reaction (Iodoform Test) ? The side product give the light yellow precipitated in this reaction.
silver
dichloromethane
triiodomethane
water
What is the reagent/condition can be used in this reaction?
PCC, CH2Cl2
KMnO4/ H+ , heated
conc H2SO4 , heated
Na
Give name of the reaction based on this equation?
Dehydration
Hydration
Reaction with Na
Esterification
