Alcohols, Phenols and Ethers questions
1239 published questions with worked solutions.
- Phenol and benzoic acid can be distinguished by
- [KCET 1991, 92] Which of the following gives a violet colour with an alcoholic solution of FeCl₃?
- [Roorkee 1990] When phenol is heated with NH₃ in the presence of anhydrous ZnCl₂ (at high temperature), it changes to
- When phenol is treated with excess bromine water, it gives
- Phenolphthalein is produced on heating phthalic anhydride and concentrated sulphuric acid with
- [AIEEE 2006] Phenol reacts with CHCl₃ and NaOH (the Reimer–Tiemann reaction) to give (after acidification) 2-hydroxybenzaldehyde....
- An organic compound of formula C₇H₈O is neither soluble in aqueous NaOH nor does it give a blue colour with FeCl₃. The compound is
- Between *p*-nitrophenol and salicylaldehyde, solubility in aqueous base is
- The acidic character of phenol (relative to a simple aliphatic alcohol) is due to
- Phenol reacts with Br₂ in CCl₄ at low temperature to give
- Which of the following correctly represents the Reimer–Tiemann reaction?
- [Roorkee 1995] When sodium benzenesulfonate is fused with solid sodium hydroxide, and the fusion product is then hydrolysed...
- [IIT 1995] The reaction products of C₆H₅OCH₃ (anisole) with HI (heat) are
- Phenol can be converted into salicylic acid by
- A characteristic group test for the phenolic functional group is
- [AIEEE 2011] Which reagent may be used to distinguish phenol from benzoic acid?
- A compound traditionally used as an antiseptic dressing for wounds (including animal bites) is
- The increasing order of acidic strength among *p*-methoxyphenol, *p*-methylphenol (*p*-cresol) and *p*-nitrophenol is
- [AIEEE 2012] *o*-Nitrophenol is less soluble in water than its *m*- and *p*-isomers because
- Vigorous nitration of salicylic acid (excess HNO₃, which also effects oxidative decarboxylation of the ring-activated acid) gives
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