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'But-2-enal'

Reason

#1 it has the aldehyde functional group at the end of the chain (R- CHO)

#2 it has a double carbon-carbon bond on carbon no. 2. Hence the '-en al ' in the spelling as it is an alkene too!!!!!

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lenpollock

Lvl 15
3mo ago
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Q: What is the IUPAC name of CH3-CH--CH-CHO?
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