11 mark
Which two substances react together to form potassium propanoate?
| Reactant 1 | Reactant 2 | |
| A | propanol | potassium |
| B | propene | potassium iodide |
| C | propanoic acid | potassium carbonate |
| D | ethyl propanoate | potassium |
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7.2 Reactions of Alkenes & Alcohols
21 mark
Which of the following molecules is an alkene?
C6H10
C4H10
C5H10
C6H14
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31 mark
Which of the following shows the product of the reaction between propene and iodine?
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41 mark
What gas is formed when sodium is added to propanol?
Carbon dioxide
Hydrogen
Carbon Monoxide
Ethene
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51 mark
Which is not true about carboxylic acids?
Solutions of carboxylic acids have a higher pH than solutions of strong acids of the same concentration
Carbonates fizz vigorously in solutions of carboxylic acids
Carboxylic acids are volatile
They react with alcohols to make esters
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61 mark
Which is of these is true about the manufacture of ethanol?
Fermentation has a 100% atom economy
-
The hydration of ethene has a 100% atom economy
Fermentation produces pure ethanol
Alkenes are reactive so the hydration of ethene occurs readily at room temperature
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