Statistics for Synthetic Routes - OCR A Level Chemistry

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Question	Answer	% Correct
What reagents do you use to go from Alkene to Alcohol?	H2O(g) / H3PO4	96%
Haloalkane to Alcohol?	NaOH / heat	94%
What reagents do you use to go from Alkene to Alkane?	H2 / Ni	91%
What reagents for Alkane to Haloalkane?	Radical substitution: X2 / UV light	88%
Alcohol to Alkene?	H2SO4 / heat	86%
You reflux tertiary alcohol + acidified potassium dichromate What do you get?	No change	83%
Butan-2-one is reacted with Z to form an Butan-2-ol. What is Z?	NaBH4	79%
Butan-1-ol is distilled with acidified potassium dichromate. What do you get?	Butanal	77%
Walter is doing a PAG, and needs to make methanoyl chloride from methanol. What reagents does he use?	1. Reflux with acidified potassium dichromate THEN 2. Add SOCl2	69%
How can you reduce a nitrile to an amine?	H2 / Ni	65%
In the last step of Walter's synthesis, he is alkylating benzene. What reagent and catalyst does he use, and what is the name of this process?	RCl / AlCl3 / Friedel-Crafts Alkylation	62%
What can Walter NOT make, in one step, using an Acyl Chloride?	Carboxylate salt, by adding NaOH	52%
NO2 to NH2?	Sn + HCl then add NaOH, to deprotonate NH3+	49%
Walter wants to make a secondary amine from a primary amine. What reagents does he use?	CH3Cl + CH2(Cl)CH2CH(CH3)NH2 / Ethanol	34%
I am nitrating phenol What reagents do I need and what position will the substitution occur?	HNO3 only, 2 and 4	25%