Practice question
Question
Which compound evolves CO₂ when its calcium salt is heated with calcium methanoate?
Explanation
Pentanoic acid (CH₃CH₂CH₂CH₂COOH) forms calcium pentanoate, which, when heated with calcium methanoate ((HCOO)₂Ca), yields pentanal (CH₃CH₂CH₂CH₂CHO) and CO₂.
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