Statistics for Chemistry AQA Mechanisms

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Hint	Answer	% Correct
Starting colour of potassium dichromate	Orange	83%
Used for dehydration of alcohols	H2SO4	74%
Used for as the reagent for the silver mirror test.	Tollen's	73%
Functional group of the monomers in addition polymerisation.	Alkene	71%
Reagent for oxidation of primary alcohol to aldehyde to carboxylic acid	Acidified potassium dichromate	69%
Condition required for free radical substitution.	UV light	66%
What is added to fats to produce soaps	Sodium hydroxide	50%
Catalyst for reduction of nitrile to amines.	Nickel	47%
Reagent for the elimenation of a halogenoalkane to an alkene.	KOH	37%
What is used to remove the Cl from an acyl chloride in a Friedel-Crafts acylation.	AlCl3	31%
Catalyst for the addition of water to an alkene/ hydration.	Phosphoric acid	29%
2 reagants used to add nitro group (nitration) to benzene.	Concentrated HNO3 and H2SO4	27%
Opposite of this reagent for reduction of carboxylic acid to aldehyde to primary alcohol.	NaBH4	24%
Catalysts for reduction of nitrobenzene	Sn and HCL	20%
Added to fats to make biodiesel	Methanol	17%