Welcome to the Quiz!
This quiz contains 9 questions from a mix of 1 subtopics.
What happens when Tollens' reagent is added to 2-methylbutanal?
a colourless solution forms
a silver precipitate forms
a blue solution forms
an orange-red precipitate forms
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Which chemical tests will give positive results with the compound but-2-enoic acid, CH3CH=CHCOOH?
(Select all that apply).
bromine water
sodium carbonate
potassium dichromate
Tollens' reagent
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What colour change takes place when acidified potassium dichromate, K2Cr2O7, is heated with a primary alcohol?
orange to colourless
colourless to green
green to orange
orange to green
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What happens when excess bromine water is added to cyclohexene?
no reaction occurs
orange precipitate forms
solution turns orange
solution turns colourless
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The oxidation of alcohol results in the formation of a ketone.
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Primary alcohols can be to form or carboxlic acids.
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Which organic compounds will form orange precipitates with 2,4-dinitrophenylhydrazine?
(Select all that apply).
CH3CH2CHO
CH3CH2COOH
(CH3)2O
CH3CH2OH
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Which organic compounds will form green solutions when refluxed with excess acidified potassium dichromate?
(Select all that apply).
CH3CH2CHO
(CH3)2O
CH3CH2OH
CH3CH2COOH
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What is the colour of the precipitate formed when warm aqueous silver nitrate and ethanol are added to a solution of 2-iodo-2-methylpropane?
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