СОР № 1 Английский язык 11ЕМН класс Carbonyl compounds
НазадCarbonyl compounds
Задание:
1.
A and B are structural isomers with the molecular formula C3H6O that are carbonyl compounds. Draw the structural formulae of A, B and name them.
2.
Consider the following pair of isomers.
Suggest the test that can be used to distinguish between isomers E and F and describe the observations.
3.
Provide equations for the reactions of CH3CHO with each of acidified potassium dichromate (VI) and sodium tetrahydroborate (III), NaBH4, using [O] or [H] as appropriate.
(a) reaction with acidified potassium dichromate(VI)
(b) reaction with NaBH4
4.
Propanone, CH3COCH3, undergoes a reaction with hydrogen cyanide, HCN.
(a) Write an equation for the reaction of CH3COCH3 with HCN and name the product.
(b) Outline a mechanism for the reaction of CH3COCH3 with HCN. Include all necessary curly arrows, lone pairs and charges.
5.
A series of reactions based on propanoic acid is shown:
(a) Write an equation for reaction 1, using [H] to represent the reducing agent.
(b) Write an equation for the reaction of propanoic acid with calcium carbonate, CaCO3.
(c) Suggest a suitable reagent and conditions for reaction 3.