The structures of two isomers are shown.
What kind of isomerism is shown by these molecules?
☐ | A | carbon chain | |
☐ | B | positional | |
☐ | C | E/Z | |
☐ | D | cis/trans |
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The structures of two isomers are shown.
What kind of isomerism is shown by these molecules?
☐ | A | carbon chain | |
☐ | B | positional | |
☐ | C | E/Z | |
☐ | D | cis/trans |
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This question is about alcohols and their reactions.
The table gives some of the names and skeletal formulae of isomers having the formula C4H9OH.
Complete the table.
☐ | A | addition | |
☐ | B | elimination | |
☐ | C | oxidation | |
☐ | D | substitution |
2‐methylpropan‐2‐ol may be formed by the reaction between 2‐bromo‐2‐methylpropane and aqueous potassium hydroxide.
What is the role of the hydroxide ions in this reaction?
☐ | A | alkali | |
☐ | B | catalyst | |
☐ | C | electrophile | |
☐ | D | nucleophile |
Two organic products can be formed, depending on the conditions.
Write a balanced equation for the formation of one of these products, giving its name and the condition required to achieve this product in high yield.
Use [O] in the equation to represent each oxygen atom from the oxidising agent.
(3)
Equation
Name
Condition
☐ | A | brown | |
☐ | B | green | |
☐ | C | orange | |
☐ | D | yellow |
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This question is about organic compounds.
Organic compounds can be grouped together in homologous series.
(2)
Name the homologous series to which propene belongs.
(1)
Propene can be converted into a mixture of 1-chloropropane and 2-chloropropane, in which 2-chloropropane is the major product.
(1)
☐ | A | electrophilic addition | |
☐ | B | nucleophilic addition | |
☐ | C | electrophilic substitution | |
☐ | D | nucleophilic substitution |
1-chloropropane and 2-chloropropane can be converted into compounds containing the nitrile functional group.
Under appropriate conditions, 1-chloropropane can be converted into butanenitrile, CH3CH2CH2CN.
Which is the reagent for this conversion?
(1)
☐ | A | ammonia | |
☐ | B | nitric acid | |
☐ | C | potassium cyanide | |
☐ | D | silver nitrate |
Under appropriate conditions, 2-chloropropane can be converted into a structural isomer of butanenitrile.
State what is meant by the term ‘structural isomer’.
(2)
(2)
Displayed formula
Name
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What is the systematic name for tiglic acid?
☐ | A | E-2-methylbut-2-enoic acid | |
☐ | B | Z-2-methylbut-2-enoic acid | |
☐ | C | E-3-methylbut-2-enoic acid | |
☐ | D | Z-3-methylbut-2-enoic acid |
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