Welcome to the Quiz!
This quiz contains 8 questions from a mix of 1 subtopics.
What is the effect of electron-withdrawing groups on the acidity of carboxylic acids?
they increase the acidity
they stabilise the undissociated acid molecule
they decrease the acidity
they have no effect on the acidity
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Which of the following carboxylic acids can be oxidised under normal conditions?
butanoic acid
propanoic acid
ethanoic acid
methanoic acid
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What are the products of the oxidation of ethanedioic acid?
carbon dioxide and water
carbon monoxide and water
carbon monoxide and hydrogen
carbon dioxide and hydrogen
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Which of the following factors contribute to the stability of the carboxylate ion?
presence of electron-withdrawing groups
electron delocalisation
higher Ka values
absence of the C=O double bond
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Which of the following compounds has the lowest acidity?
chloroethanoic acid
ethanoic acid
ethanol
phenol
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What is the effect of substituting hydrogen atoms with chlorine atoms on the acidity of carboxylic acids?
the Ka value and acidity decrease
the Ka value decreases and acidity increases
the Ka value and acidity increase
the Ka value increases and acidity decreases
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Which of the following is NOT a product of the oxidation of methanoic acid?
hydrogen
water
carbon dioxide
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What type of agent is required to oxidise ethanedioic acid?
a mild reducing agent
a mild oxidising agent
a strong oxidising agent
a strong reducing agent
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