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VICChemistryQuick questions

Unit 1: How can the diversity of materials be explained?

Quick questions on Organic functional groups (introduction) (VCE Chemistry Unit 1)

7short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is cH3_3CH=CHCH3_3?
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Four carbons (but-), double bond between C2 and C3 (numbered from the end nearer the bond): but-2-ene.
What is cH3_3CH2_2OH?
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Two carbons, hydroxyl on C1: ethan-1-ol (commonly written ethanol).
What is cH3_3CH CH2_2CH3_3?
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Four-carbon chain with methyl branch at C2: 2-methylbutane.
What is wrong numbering direction?
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Give the highest-priority functional group the lowest locant; if there's a tie, lowest locants for substituents.
What is q1?
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Name each compound: (a) CH3CH2CH2OH\text{CH}_3 \text{CH}_2 \text{CH}_2 \text{OH}, (b) CH3CH2COOH\text{CH}_3 \text{CH}_2 \text{COOH}, (c) CH2=CHCH3\text{CH}_2 = \text{CHCH}_3. [3 marks]
What is q2?
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A four-carbon compound has formula C4H8O2\text{C}_4 \text{H}_8 \text{O}_2. (a) Suggest two structural isomers from different functional-group classes. (b) Name each.
What is q3?
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Consider but-2-ene and butan-2-ol. (a) Draw each structure. (b) Identify each functional group.

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