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Organic Chemistry Level 3
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Organic Chemistry Level 3
📚 Part 1: Multiple Choice
1. Identify the functional group in CH3CH2CH2OH.
Alcohol
Ether
Ketone
Aldehyde
2. Hydrogenation of 1-butene (H2, Pd) yields:
1-butanol
2-butene
Butane
Butanone
3. Which reagent will oxidise a primary alcohol all the way to a carboxylic acid under typical conditions?
PCC
KMnO4 (warm, acidic)
NaBH4
H2 / Pt
4. Which reagent converts a carboxylic acid to an acyl chloride?
HCl (aq)
SOCl2
NaCl
H2, Pd
✏️ Part 2: Short Answers & Matching
5. Draw the structural formula of 2-methylpropanoic acid (isobutyric acid).
6. Give the IUPAC name for CH3–CH(CH3)–CH2–CH3.
7. Write the balanced equation for the esterification of ethanol with acetic acid to form ethyl ethanoate and water.
8. In two short points, describe the key steps of nucleophilic acyl substitution at an acid chloride.
9. Match each reagent (left) with the common transformation it performs (right). Draw lines to match.
A. SOCl2
B. H2, Pd
C. NaBH4
D. KMnO4 (acidic, warm)
a. Hydrogenation of C=C (alkene → alkane)
b. Oxidation of primary alcohol to carboxylic acid
c. Reduction of ketone to secondary alcohol
d. Conversion of carboxylic acid to acyl chloride
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