Chapter 10 - Organic Reactions
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What are the products of complete combustion with alkenes? [2]
Carbon Dioxide [1] Water [1]
What happens when ethene reacts with bromine water?
The bromine water turns from orange to colourless. [1]
What happens when ethene reacts with steam [1]
Ethanol is produced [1]
Define a homologous series [1]
A family of organic compounds with the same functional group [1]
What is the functional group of an alcohol? [1]
-OH [1]
What is the functional group of carboxylic acids? [1]
-COOH [1]
What is the functional group for esters? [1]
-COO- [1]
Give 2 uses of alcohols [2]
Alcoholic drinks [1] Perfumes [1]
What are the products of combustion of alcohol? [2]
Carbon dioxide [1] Water [1]
What are the products when sodium and ethanol reacts? [2]
Hydrogen [1] Sodium ethoxide [1]
What are the products of oxidation of ethanol? [2]
Ethanoic acid [1] Water [1]
Explain why carboxylic acids are weak acids [4]
CO2 gas is released more slowly during a reaction [1] This is because it is a weak acid [1] therefore the acid does not fully dissociate their H+ in water [1] therefore not releasing CO2 at a quick rate. [1]
How are esters formed? [3]
Reacting a carboxylic acid [1] with an alcohol [1] in the presence of a strong acid catalyst. [1]