Oxidation reactions of Explain how the method reactions of primary, secondary and June 2006 primary, secondary and used to oxidise a primary tertiary alcohols with acidified Unit 3 Q5 tertiary alcohols with alcohol determines whether potassium dichromate(VI) acidified potassium an aldehyde or carboxylic January 2005 dichromate(VI). acid is obtained. Use of Tollens’ and Fehling’s Unit 3 Q3 reagents to distinguish between Testing to distinguish Use chemical tests to aldehydes and ketones. January 2011 aldehydes and ketones. distinguish between Unit 2 Q3d aldehydes and ketones The use of immediate distillation including Fehling’s solution and reflux to obtain ethanal and January 2011 and Tollens’ reagent. ethanoic acid by oxidation of Unit 2Q9 ethanol. Students draw, name and classify alcohols. Students draw and name aldehydes, ketones and carboxylic acids. Students write balanced equations for a variety of oxidation reactions. 3.3.5.3 0.2 Identify products of alcohol Students write balanced equations June 2003 Elimination. weeks elimination reactions. and mechanism steps for a variety Unit 3 Q4b of elimination reaction, using Formation of alkenes by Write equations and outline models to aid understanding. January 2004 acid catalysed mechanisms for alcohol Unit 3 Q5 dehydration of alcohols. elimination reactions. January 2002 Unit 3 Q2
Oxidation reactions of primary, secondary and tertiary alcohols with acidified potassium dichromate(VI). Testing to distinguish aldehydes and ketones. Explain how the method used to oxidise a primary alcohol determines whether an aldehyde or carboxylic acid is obtained. Use chemical tests to distinguish between aldehydes and ketones including Fehling’s solution and Tollens’ reagent. reactions of primary, secondary and tertiary alcohols with acidified potassium dichromate(VI) Use of Tollens’ and Fehling’s reagents to distinguish between aldehydes and ketones. The use of immediate distillation and reflux to obtain ethanal and ethanoic acid by oxidation of ethanol. Students draw, name and classify alcohols. Students draw and name aldehydes, ketones and carboxylic acids. Students write balanced equations for a variety of oxidation reactions. June 2006 Unit 3 Q5 January 2005 Unit 3 Q3 January 2011 Unit 2 Q3d January 2011 Unit 2Q9 3.3.5.3 Elimination. Formation of alkenes by acid catalysed dehydration of alcohols. 0.2 weeks Identify products of alcohol elimination reactions. Write equations and outline mechanisms for alcohol elimination reactions. Students write balanced equations and mechanism steps for a variety of elimination reaction, using models to aid understanding. June 2003 Unit 3 Q4b January 2004 Unit 3 Q5 January 2002 Unit 3 Q2