What is a chemical name for this compound?
- Mayya Alocci
- Dec 21, 2025
- 1 min read
Regents Chemistry Exam August 2025 Question 43
43 Given the formula representing a compound:

What is a chemical name for this compound?
(1) 1-heptanone
(2) 7-heptanol
(3) heptanal
(4) heptanoic acid
Solution:
Table R on the reference table lists all the functional groups for organic compounds and their names. The functional group for this molecule is aldehyde. (C=O). The name should end in "al". The only name that end in al is haptanal, Choice 3.
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