Chemistry AQA Mechanisms

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Last updated: June 16, 2017

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Hint	Answer
Functional group of the monomers in addition polymerisation.	Alkene
Catalyst for the addition of water to an alkene/ hydration.	Phosphoric acid
Reagent for the elimenation of a halogenoalkane to an alkene.	KOH
Condition required for free radical substitution.	UV light
Reagent for oxidation of primary alcohol to aldehyde to carboxylic acid	Acidified potassium dichromate
Opposite of this reagent for reduction of carboxylic acid to aldehyde to primary alcohol.	NaBH4
Catalyst for reduction of nitrile to amines.	Nickel
What is added to fats to produce soaps	Sodium hydroxide

Hint	Answer
Added to fats to make biodiesel	Methanol
2 reagants used to add nitro group (nitration) to benzene.	Concentrated HNO3 and H2SO4
Catalysts for reduction of nitrobenzene	Sn and HCL
What is used to remove the Cl from an acyl chloride in a Friedel-Crafts acylation.	AlCl3
Used for dehydration of alcohols	H2SO4
Starting colour of potassium dichromate	Orange
Used for as the reagent for the silver mirror test.	Tollen's

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