Edexcel International AS and A level Chemistry XCH11/YCH11 · 20.5

Preparation and purification techniques

Code: 20.5
In: 20 Organic Synthesis
Topic: U5 Transition Metals and Organic Nitrogen Chemistry
Course: International AS and A level Chemistry XCH11/YCH11
Board: Edexcel

Codes and titles are read by a script from Edexcel's published specification and have not been checked by a person. What each point covers is in the specification itself: Edexcel’s specification.

Points under 20.5

20.5.i Refluxing
20.5.ii Purification by washing, including with water and sodium carbonate solution
20.5.iii Solvent extraction
20.5.iv Recrystallisation
20.5.v Drying
20.5.vi Distillation
20.5.vii Steam distillation
20.5.viii Melting temperature determination
20.5.ix Boiling temperature determination

Points in 20 Organic Synthesis

20.1 Deducing formulae from analytical data
20.2 Grignard reagents and lengthening carbon chains
20.3 Solving problems in organic chemistry
20.4 Core practical 16: preparing aspirin
20.5 Preparation and purification techniques