Unit 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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What is the colour change that occurs when alcohols are oxidised? | orange to green
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What are the products when a primary alcohol is oxidised? | aldehyde (distillation)
carboxylic acid (reflux)
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What are the products when a secondary alcohol is oxidised? | ketone
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What are the products when a tertiary alcohol is oxidised? | none, resistant to oxidation
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Properties of alcohols | low volatility and high boiling points-compared to alkanes
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Why? | hydrogen bonds
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Solubility | first 3 dissolve in water, form hydrogen bonds between OH- and H20. Large alcohols the carbon chain is too long, non polar.
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How is ethanol manufactured? | steam hydration (of ethene) with an acid catalyst.
300C and 6atm
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How else is ethanol manufactured? | fermentation of glucose
37C and yeast
produces CO2
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Ethanol is used for... | alcoholic drinks
biofuel
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methylated sprits | industrial solvent
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methanol | chemical feedstock
unleaded petrol
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
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