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WalesChemistryQuick questions

Unit 2: Energy, Rate and Chemistry of Carbon Compounds

Quick questions on The wider impact of chemistry - WJEC A-Level Chemistry

5short 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 q1?
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State what atom economy measures. [1 mark]
What is q2?
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State why addition reactions tend to have a 100 percent atom economy. [1 mark]
What is q3?
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Calculate the percentage yield if 4.04.0 g of product is obtained when the theoretical maximum is 5.05.0 g. [1 mark]
What is q4?
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Explain why a high yield does not guarantee a high atom economy. [1 mark]
What is q5?
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State one reason a renewable feedstock might still not be the greenest option. [1 mark]

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