Below are the structures of a number of important molecules - VCE - SSCE Chemistry - Question 1 - 2011 - Paper 1
Question 1
Below are the structures of a number of important molecules.
A.
B.
C.
D.
E.
F.
G.
H.
In each of the following questions, circle the letter or letters that... show full transcript
Worked Solution & Example Answer:Below are the structures of a number of important molecules - VCE - SSCE Chemistry - Question 1 - 2011 - Paper 1
Step 1
a. Which molecule is used in the production of acetylsalicylic acid?
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Answer
The molecule used in the production of acetylsalicylic acid (aspirin) is Structure H. Acetylsalicylic acid is synthesized from salicylic acid and an acetylating agent.
Step 2
b. Which molecule is the product of a condensation polymerisation reaction?
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Answer
The product of a condensation polymerisation reaction is Structure G. This structure typically represents a polymer formed from monomers through the elimination of small molecules, often water.
Step 3
c. Which two molecules are produced when a triglyceride containing no carbon-carbon double bonds undergoes hydrolysis?
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Answer
The two molecules produced during the hydrolysis of a triglyceride are Structure E (glycerol) and Structure F (fatty acids). This process involves breaking the ester bonds between glycerol and the fatty acids.
Step 4
d. Which molecule could be a major component in biodiesel?
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Answer
The major component in biodiesel is Structure F. Biodiesel primarily consists of fatty acid methyl esters, which can be derived from the transesterification of fats and oils.
Step 5
e. Which molecule is one of the components that react to form sucrose?
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Answer
The component that reacts to form sucrose is Structure B (glucose). Sucrose is a disaccharide formed from glucose and fructose through a glycosidic bond.
Step 6
f. 0.001 mole of which molecule will react completely with 0.320 g of bromine?
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Answer
The molecule that reacts completely with 0.320 g of bromine is Structure E. Since bromine reacts with carbon-carbon double bonds, the specific molecule must contain suitable C=C bonds.
