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This quiz contains 11 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 + 5⁄2O2 ➔ 2CO2 + 3H2O

C2H5OH + 3O2 ➔ 2CO2 + 3H2O

C2H6OH + 3O2 ➔ 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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3

What colour change is observed when alcohols are oxidised using acidified potassium dichromate(VI) solution?

orange to green

green to orange

orange to blue

blue to orange

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What is the result of oxidising a secondary alcohol using acidified potassium dichromate(VI)?

aldehyde

ketone

carboxylic acid

no reaction

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How do tertiary alcohols react with acidified potassium dichromate(VI)?

do not oxidise

oxidise to ketones

oxidise to carboxylic acids

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 one alkyl group and one hydrogen atom attached to the carbonyl carbon, while ketones have two alkyl groups

aldehydes have a carbonyl group, while ketones have a carboxyl group

aldehydes have a carboxyl group, while ketones have a carbonyl group

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What type of reaction converts alcohols to halogenoalkanes using sodium halides and concentrated sulfuric acid?

addition

elimination

oxidation

substitution

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What is the product of the dehydration of alcohols using concentrated sulfuric acid?

alkene

alkane

ester

halogenoalkane

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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(III) ions

the dichromate(VI) ions are not involved in the redox reaction

the dichromate(VI) ions are reduced to chromium(II) ions

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