Organic chemistry

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Last updated: February 16, 2024

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First submitted	February 13, 2024
Times taken	47
Average score	20.0%
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Question	Answer
what name is given to small molecules which form a polymer	monomer
what is the name of the monomer which would form poly(phenylethene)	phenylethene
which properties does poly(ethene) have	strong and flexible
which polymer is used to coat frying pans for non stick	poly(tetrafluoroethene)
why does the disposal of polymers in landfill cause problems	usually non-biodegradable
what is an environmental issue with burning polymers	global warming
name a biological polymer	dna/starch/proteins
what are the monomers in a protein polymer molecule	amino acids
which two types of compounds are the monomers in a polyester	a dicarboxylic acid and a diol
name an alkane	methane/ethane/propane/butane
what is the general formula for an alkane	CnH2n+2
What is the name of the alkane with the formula C3H8	propane
What is meant by the term saturated, when applied to hydrocarbons	That all carbon atoms are joined by C-C single bonds

Question	Answer
What is produced during the complete combustion of propane	carbon dioxide and water
What is seen when ethene is bubbled through bromine water	a colour change from orange to colourless
What is produced when bromine reacts with ethene?	dibromoethane
Why can combustion reactions of hydrocarbons be described as oxidation reactions	The carbon and hydrogen atoms gain oxygen atoms
what could be formed by the addition of bromine (Br2) to propene (C3H6)	C3H6Br2
name an alcohol	methanol/ethanol/propanol/butanol
which functional group is present in all alcohols	-OH
what is the formula of butanol	C4H9OH
what is produced when butanol is oxidised	butanoic acid
word equation for production of ethanol by fermentation	glucose>ethanol + carbon dioxide
name an essential condition for fermentation of glucose by yeast	no air
what will be seen if propanoic acid is added to a solution of sodium carbonate	fizzing

1 Comments

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Level 77

Feb 13, 2024

Thanks. I have a couple of suggestions. Can you accept CO2 and H20 as alternatives to long-hand? (e.g. in qn about combustion of propane) and in the question about the meaning of "saturated", I put "no double bonds", which I think should be marked right.

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