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This quiz contains 12 questions from a mix of 1 subtopics.
What is the balanced equation for the oxidation of ethanol to ethanal using an oxidising agent, [O]?
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What is the balanced equation for the oxidation of ethanol to ethanoic acid using an oxidising agent, [O]?
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What is the balanced equation for the complete combustion of ethanol?
C2H5OH + 3O2 ➔ 2CO2 + 3H2O
C2H6OH + 3O2 ➔ 2CO2 + 3H2O
C2H5OH + 5⁄2O2 ➔ 2CO2 + 3H2O
C2H5OH + 2O2 ➔ 2CO + 3H2O
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Complete the equation for the halogenation of ethanol, C2H5OH using sodium bromide, NaBr:
C2H5OH + NaBr + H2SO4 ➔ ________ + ________ + ________
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What colour change is observed when alcohols are oxidised using acidified potassium dichromate(VI) solution?
green to orange
orange to green
blue to orange
orange to blue
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What is the result of oxidising a secondary alcohol using acidified potassium dichromate(VI)?
ketone
no reaction
carboxylic acid
aldehyde
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How do tertiary alcohols react with acidified potassium dichromate(VI)?
oxidise to carboxylic acids
oxidise to ketones
do not oxidise
oxidise to aldehydes
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What is the difference in structure between aldehydes and ketones?
aldehydes have two alkyl groups attached to the carbonyl carbon, while ketones have one alkyl group and one hydrogen atom
aldehydes have a carboxyl group, while ketones have a carbonyl group
aldehydes have a carbonyl group, while ketones have a carboxyl group
aldehydes have one alkyl group and one hydrogen atom attached to the carbonyl carbon, while ketones have two alkyl groups
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What type of reaction converts alcohols to halogenoalkanes using sodium halides and concentrated sulfuric acid?
substitution
elimination
oxidation
addition
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What is the product of the dehydration of alcohols using concentrated sulfuric acid?
alkene
halogenoalkane
ester
alkane
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What is formed when alcohols react with sodium metal?
sodium alkoxide and hydrogen
sodium hydroxide and hydrogen
sodium alkoxide and oxygen
sodium hydroxide and oxygen
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Which of the following statements about the oxidation of alcohols using acidified potassium dichromate(VI) is true?
the dichromate(VI) ions are oxidised to chromium(VII) ions
the dichromate(VI) ions are reduced to chromium(II) ions
the dichromate(VI) ions are not involved in the redox reaction
the dichromate(VI) ions are reduced to chromium(III) ions
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