JEE Main 2019 — Alcohols Phenols and Ethers Question with Solution
JEE Main 2019 (09 Apr Shift 1)
Question
The organic compound that gives following qualitative analysis is:
| Test | Inference | |
|---|---|---|
| Insoluble | ||
| Soluble | ||
| Decolourization |
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
(i) Aromatic compounds having group can decolourise bromine water.
(ii) Since the compound is insoluble in , it shows that the compound is acidic.
(iii) As the compound is soluble in NaOH, this again shows that the compound is acidic.
The above three conclusions indicate that the compound is aromatic having group and acidic.
Hence, the answer is a phenol as it is aromatic and slightly acidic.
(ii) Since the compound is insoluble in , it shows that the compound is acidic.
(iii) As the compound is soluble in NaOH, this again shows that the compound is acidic.
The above three conclusions indicate that the compound is aromatic having group and acidic.
Hence, the answer is a phenol as it is aromatic and slightly acidic.
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This is a previous-year question from JEE Main 2019, covering the Alcohols Phenols and Ethers chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.