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WorksheetsHydroxy compounds
Total questions: 20
Worksheet time: 20mins
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
1-pentanol can be differentiate from 3-pentanol by using
Phosphorus (v) chloride
Lucas reagent
Alkaline iodine
Acidified potassium dichromate solution
The following reagents can be used to convert ethanol to ethene except for
Concentrated NH3
Concentrated H2SO4
Concentrated H3PO4
State the rule used to convert 2-methylpent-1-ene to 2-methylpent-2-ol.
Zaitsev's rule
Markovnikov's rule
Hund's rule
Aufbau's rule
Which compound has the highest boiling point?
CH(OH)2CH2CH3
CH(CH3)2CH2CH3
CH2(OH)CH2CH3
CH(CH3)2CH2CH2(C6H5)
glacial ethanoic acid heated with 2-propanol in the presence of concentrated H2SO4 produced
ester (2-propyl ethanoate)
salt
carboxylic acid (pentanoic acid)
alcoholic
Alcohol X produced cloudy solution immediately with Lucas reagent. Alcohol X is probably a .....
primary alcohol
tertiary alcohol
secondary alcohol
ketone
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
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
Phenol DOES NOT react with the following?
bromine water
nitric acid
Na2CO3
NaOH
Propanol is heated with acidified potassium dichromate. The following statements about this reaction is true except for
Green solution is formed.
Orange solution is formed.
Acidic product is formed.
Cr6+ is reduced to Cr3+.
Phenol is stronger acid than water and itself it is
weakly acidic
weakly basic
alkali
strong acid
Phenols are more acidic than alcohols because
Phenoxide ion is stablised by resonance
Phenols are more soluble in polar solvents
Phenoxide ion does not exhibit resonance
Alcohols do not lose H atoms at all
How do you find this quiz?
When phenol is treated with excess of bromine water, it gives which of the following product?
m-bromophenol
o-and p-bromophenol
2,4-dibromophenol
2,4,6-tribromophenol
Phenols produce 2,4,6-trinitro phenol using following reagents
Dil HNO3
Con HNO3
Con HNO3 + Con H2SO4
Con H2SO4
When phenol is treated with excess of bromine water, it gives which of the following product?
m-bromophenol
o-and p-bromophenol
2,4-dibromophenol
2,4,6-tribromophenol
