Question:
Which of the following compound cannot be used in preparation of iodoform?
Which of the following compound cannot be used in preparation of iodoform?
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Iodoform test requires a CH3CO- unit.
Updated On: Mar 17, 2026
- CH₃CHO
- CH₃COCH₃
- HCHO
- 2-propanol
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The Correct Option is C
Solution and Explanation
Iodoform test is given by compounds containing either:
- CH3CO- group, or
- CH3-CHOH- group (which oxidises to methyl ketone).
- CH₃CHO (acetaldehyde): gives test
- CH₃COCH₃ (acetone): gives test
- 2-propanol: oxidises to acetone → gives test
- HCHO (formaldehyde): does not contain required group
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