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Worksheets*DK024 CHAPTER 15: CHEMICAL REACTIONS OF ALCOHOLS*
Total questions: 15
Worksheet time: 31mins
What is the functional group of alcohols?
Alkoxy
Hydroxyl
Carboxyl
Carbonyl
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 observation for the above reaction?
No cloudy solution after within 15 minutes
Cloudy solution within 5 minutes
Cloudy immediately/instantly
Light yellow precipitate formed
What is the gases released based on this reaction?
CO2 gas
H2 gas
Br2 gas
O2 gas
Give name of the reaction based on this equation?
Dehydration
Hydration
Reaction with Na
Esterification
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
When 2-butanol reacted with alkaline excess I2 , the light yellow precipitate formed. What is the reasons 2-butanol positive result for alkaline excess I2 , the present of
What is the reagent/condition can be used in this reaction?
PCC, CH2Cl2
KMnO4/ H+ , heated
conc H2SO4 , heated
Na
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
