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.
In each of the following questions, circle the letter or letters that correspond to the compounds in th... 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 is Structure H, which represents salicylic acid, a key ingredient in the synthesis.
Step 2
b. Which molecule is the product of a condensation polymerisation reaction?
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Answer
Structure F is the product of a condensation polymerisation reaction as it represents an ester formed from the reaction of fatty acids and glycerol.
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 from the hydrolysis of a triglyceride are Structure E (glycerol) and Structure H (fatty acids).
Step 4
d. Which molecule could be a major component in biodiesel?
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Answer
Structure F is a major component in biodiesel, as it is an ester derived from fats and oils.
Step 5
e. Which molecule is one of the components that react to form sucrose?
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Structure B is one of the components that react to form sucrose, as it represents glucose, a necessary sugar for sucrose formation.
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 represented by Structure D will react completely with 0.320 g of bromine, as it contains carbon-carbon double bonds necessary for bromination.
