Alcohols, Phenols and Ethers questions
1239 published questions with worked solutions.
- When phenol is treated with PCl₅, the yield of chlorobenzene is generally poor because of the competing formation of
- The phthalein colour-test (formation of a phthalein dye on fusion with phthalic anhydride/conc. H₂SO₄) is characteristic of, and...
- When phenol is reacted with chloroform and NaOH (Reimer–Tiemann conditions), salicylaldehyde is obtained. If phthalic anhydride...
- Resorcinol and conc. H₂SO₄, in the presence of phthalic anhydride, produce a compound which is
- Picric acid and benzoic acid can be distinguished by
- *o*-Nitrophenol can form a hydrogen bond *within* the molecule (intramolecular H-bonding); it therefore has
- When phenol is distilled with zinc dust, it gives
- The rate of electrophilic substitution in phenol compared with benzene is
- Phenol, on oxidation, gives chloranil. The oxidant used is
- [AIEEE 2011] Phenol is heated with a mixture of KBr and KBrO₃. The major product obtained is
- Phenol is weakly acidic and, unlike carboxylic acids, does not react with aqueous NaHCO₃; this is because
- [IIT 2010] The reaction C₆H₅–OCH₃ —HBr→ gives the products
- [IIT 2006] The increasing order of boiling points of (I) benzene-1,2-diol (catechol), (II) benzene-1,3-diol (resorcinol), (III)...
- On boiling with concentrated hydrobromic acid, phenyl ethyl ether (phenetole, C₆H₅OC₂H₅) yields
- Phenol is relatively poorly soluble in water. This is mainly due to
- Anisole is a product obtained from phenol by a reaction known as
- C₆H₅Cl, on treatment with NaOH at 300 °C under pressure, gives phenol in generally poor yield, owing to the competing formation of
- An aromatic ether is *not* cleaved by HI even at 525 K. This compound is
- [MLNR 1993] Which statement regarding phenols is **not** correct?
- Pyrogallol is ____-trihydroxybenzene.
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