Alcohols, Phenols and Ethers questions
1239 published questions with worked solutions.
- Which of the following is insoluble in alcohol?
- When a mixture of propan-1-ol and butan-2-ol is heated with H_2SO_4 at 145^ C, how many different ethers (including...
- In the following two ether-cleavage reactions, what is the sum of moles of HI consumed? (i) An aliphatic (non-aromatic) cyclic...
- A symmetrical compound of the form CH_3-O-Ar-O-Ar-O-Ar-O-CH_3 (a chain of three aromatic rings linked by ether oxygens, capped at...
- Below are four proposed conversions: (i) CH_3-CH_3 Br_2/h aq. KOH CH_3-CH_2OH (ii) CH_3-CH_2OH Cu, 300^ C CH_3-CHO (iii) CH_3-CHO...
- A number is assigned to each of the following alcohols: (1) 1-phenylbutan-1-ol (2) 1-phenylbutan-2-ol (3) 2-phenylbutan-1-ol (4)...
- What is the total number of products obtained (including minor products and stereoisomers) in the following three separate...
- A cyclic ether, C_5H_ 10 O, is treated with aqueous HI under heat to give a product, which is then treated with NaOH/ in ethanol....
- How many of the following alcohols are secondary in nature? Butan-2-ol, 2,2-dimethylpropan-1-ol, 2-methylpropan-2-ol,...
- How many alcohols from the following set will yield geometric isomers on dehydration? Propan-2-ol, 2-methylpropan-1-ol,...
- How many of the following nine compounds will have a higher boiling point than butan-2-ol? (I) a branched alkane-type structure...
- How many of the following alcohols will give immediate turbidity with Lucas reagent? 2-Methylpropan-2-ol, butan-1-ol,...
- A secondary alcohol is possible for a minimum of how many carbon atoms?
- Isopropylbenzene (cumene) is converted via the cumene process (autoxidation to cumene hydroperoxide, then acid-catalysed...
- Phenol is oxidised with Na_2Cr_2O_7/H_2SO_4 to give benzoquinone (X). What is the ratio of the number of bonds to bonds in...
- How many -OH group(s) are present in picric acid?
- How many of the following ethers CANNOT be prepared by Williamson's synthesis? CH_3OCH_2CH_3, C_6H_5OC_6H_5 (diphenyl ether),...
- Chlorobenzene is converted to phenol (X, via hydrolysis with SiO_2/H_2O at high temperature and pressure), then to sodium...
- How many of the following compounds are less acidic than phenol? m-Nitrophenol, benzyl alcohol, o-cresol, ethanol, picric acid,...
- How many of the following ethers will produce methyl iodide on treatment with hot concentrated HI? Dimethyl ether, tert-butyl...
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