Key Questions: |
- What is the functional group for alochols?
- Alcohols contain the functional group -OH.
- What are the names of the first four members of the homologous series of alcohols?
- Methanol, ethanol, propanol and butanol are the first four members of a homologous series of alcohols.
- What are the names and structural formula for the first four members of the homologous series of alcohols?
- The structural formula for the first four members of the homologous series of alochols are:
methanol = CH3OH
ethanol = CH3CH2OH
propanol = CH3CH2CH2OH
butanol = CH3CH2CH2CH2OH
- What happens when when alochols react with sodium?
- When alcohols react with sodium they produce hydrogen gas
- Name the following alcohols from their formula:
a) C2H5OH
b) C3H7OH
c) C6H11OH
- a) Ethanol
b) Propanol
c) Hexanol
- What happens when when alochol burns in air?
- When alcohols are burnt in air they combust to form water and carbon dioxide, releasing Energy
- What pH solutions are formed when alcohols are added to water?
- When alcohols are added to water they form a neutral solution (OH- and XH )
- What are the main uses of alcohols?
- The main uses of alochols are fuels, producing alocholic drinks, cleaning products, making esters
- How can ethanol be produced from sugar?
- Aqueous solutions of ethanol are produced when sugar solutions are fermented using yeast.
- What are the conditions used during the fermentation of sugar to produce ethanol?
- Fermintation of ethanol from sugar requires water, enzymes from yeast, temperature between 25-40 degress celcius and an absence of oxygen
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