9. (a) Draw the structure and state the IUPAC name for the aldehyde of the molecular formula C₃H₆O - Leaving Cert Chemistry - Question 9 - 2003
Question 9
9. (a) Draw the structure and state the IUPAC name for the aldehyde of the molecular formula C₃H₆O.
Draw the structure and give the name of another carbonyl compound... show full transcript
Worked Solution & Example Answer:9. (a) Draw the structure and state the IUPAC name for the aldehyde of the molecular formula C₃H₆O - Leaving Cert Chemistry - Question 9 - 2003
Step 1
Draw the structure and state the IUPAC name for the aldehyde of the molecular formula C₃H₆O.
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Answer
The aldehyde with the molecular formula C₃H₆O is propanal, represented structurally as:
H O
\ ||
C--C--C
| |
H H
The IUPAC name for this structure is propanal.
Step 2
Draw the structure and give the name of another carbonyl compound that has the same molecular formula, C₃H₆O. Give one use of this compound.
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Answer
Another carbonyl compound with the same molecular formula, C₃H₆O, is propanone (commonly known as acetone). Its structure is:
O
||
C--C--C
| |
H H
One use of this compound is as a solvent for cleaning glassware or for removing nail varnish.
Step 3
Which of these two carbonyl compounds is easily oxidised to a carboxylic acid? Name that acid.
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Answer
The compound propanal is easily oxidised to a carboxylic acid. The name of that acid is propanoic acid.
Step 4
What is the purpose of the tube marked X?
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Answer
The purpose of the tube marked X is to release pressure or prevent explosions. It serves to allow steam to escape safely.
Step 5
What is collected at Y? Describe its appearance.
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Answer
The substance collected at Y is a mixture of clove oil and water. Its appearance is typically cloudy or milky, indicating the emulsification of oil in water.
Step 6
State one use of clove oil.
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Answer
One use of clove oil is as a flavouring agent in food, or it can be used in medicines for its antiseptic properties.
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