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Multiple Choice
Which of the following is an incorrect match of IUPAC name and common name for the given organic compound?
A
2-methylpropane - Isobutane
B
methanal - Formaldehyde
C
ethanoic acid - Acetic acid
D
propan-2-ol - Ethanol
Verified step by step guidance
1
Step 1: Understand the problem by identifying the task, which is to find the incorrect match between IUPAC names and common names of organic compounds.
Step 2: Review the IUPAC naming conventions and common names for each compound listed. IUPAC names are systematic names based on the structure of the compound, while common names are traditional names that may not follow systematic rules.
Step 3: Analyze each pair:
- 2-methylpropane is commonly known as Isobutane.
- Methanal is commonly known as Formaldehyde.
- Ethanoic acid is commonly known as Acetic acid.
- Propan-2-ol is commonly known as Isopropanol, not Ethanol.
Step 4: Recognize that Ethanol is the common name for the compound with the IUPAC name 'ethanol', which is different from 'propan-2-ol'.
Step 5: Conclude that the incorrect match is 'propan-2-ol - Ethanol', as propan-2-ol should be matched with Isopropanol.