A laboratory technician is given an unlabelled bottle containing a single, pure alcohol with molecular formula \(\mathrm{C_4H_{10}O}\). The technician plans a short sequence of reactions to help confirm the alcohol’s identity and to demonstrate typical alcohol chemistry. The available reagents and conditions include: excess oxygen and ignition, concentrated \(\mathrm{H_2SO_4}\) and heat, \(\mathrm{HBr}\), and acidified \(\mathrm{K_2Cr_2O_7}\) (warm). The technician notes that dehydration of the alcohol produces a mixture of alkenes, and that oxidation produces a product that gives a positive Tollens’ test.
The technician reacts the alcohol with \(\mathrm{HBr}\).
Write a balanced substitution equation to form a bromoalkane from one suitable \(\mathrm{C_4H_{10}O}\) alcohol isomer. State appropriate conditions and name the type of reaction.
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Create Free Account Log inThis is a free HSC HSC Chemistry practice question worth 4 marks, testing your understanding of Write equations. It falls under Alcohols in Module 7: Module 7: Organic Chemistry. Submit your answer above to receive instant AI-powered marking and personalised feedback.
Students focus on the principles and applications of chemical synthesis in the field of organic chemistry. Current and future applications of chemistry include techniques to synthesise new substances – including pharmaceuticals, fuels and polymers – to meet the needs of society. Each class of organic compounds displays characteristic chemical properties and undergoes specific reactions based on the functional groups present. These reactions, including acid/base and oxidation reactions, are used to identify the class of an organic compound. In this module, students investigate the many classes of organic compounds and their characteristic chemical reactions. By considering the primary, secondary and tertiary structures of organic materials, students are provided with opportunities to gain an understanding of the properties of materials – including strength, density and biodegradability – and relate these to proteins, carbohydrates and synthetic polymers.
Inquiry question: How can alcohols be produced and what are their properties?
write equations, state conditions and predict products to represent the reactions of alcohols, including but not limited to (ACSCH128, ACSCH136): - combustion - dehydration - substitution with HX - oxidation
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