TS EAMCET · Chemistry · Alcohols Phenols and Ethers
Which one of the following gives yellow precipitate with iodine and \(\mathrm{NaOH}\) solution?
- A \(\mathrm{CH}_3-\mathrm{CHO}\)
- B \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{COC}_6 \mathrm{H}_5\)
- C \(\mathrm{HCHO}\)
- D \(\mathrm{CH}_3 \mathrm{OH}\)
Answer & Solution
Correct Answer
(A) \(\mathrm{CH}_3-\mathrm{CHO}\)
Step-by-step Solution
Detailed explanation
Alcohols containing \(\mathrm{CH}_3 \mathrm{CH}(\mathrm{OH})-\) group and carbonyl compounds containing \(\mathrm{CH}_3 \mathrm{CO}-\) group give yellow precipitate with iodine and \(\mathrm{NaOH}\) solution. This reaction is called iodoform test. Thus,…
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