Aldehydes, Ketones and Carboxylic Acids questions
1139 published questions with worked solutions.
- The action of excess PCl₅ on salicylic acid produces
- Which aldehyde is used in the manufacture of perfumes?
- Benzene reacts with dry HCN and HCl in the presence of anhydrous AlCl₃, followed by hydrolysis, to form
- Which reagent can convert a >C=O group into >C(C₆H₅)OH?
- Benzyl alcohol is obtained from benzaldehyde by
- [IIT 1991] *m*-Chlorobenzaldehyde reacts with concentrated KOH at room temperature to give
- Phenol is less acidic than
- Compared with benzoic acid, salicylic acid
- [Roorkee 1994] *p*-Nitrobenzaldehyde reacts with concentrated NaOH at room temperature to give
- Benzene is treated with CO and HCl in the presence of anhydrous AlCl₃, forming benzaldehyde. This reaction is known as the
- A Wittig reaction with an aldehyde gives [VITEEE 2008]
- C_6H_5CH_3 CrO_2Cl_2 Z. In the given sequence, Z is [Manipal 2005]
- Toluene reacts with excess of Cl_2 in presence of sunlight to give a product, which on hydrolysis followed by reaction with NaOH...
- Toluene on treatment with CrO_3 and (CH_3CO)_2O followed by hydrolysis with dil. HCl gives [UP SEE 2008]
- Statement 1: Oxidation of toluene with chromyl chloride to get benzaldehyde is carried out in presence of acetic anhydride....
- Toluene on oxidation with chromyl chloride (CrO_2Cl_2) in CCl_4, followed by hydrolysis, gives
- Decarboxylation of malonic acid, HOOC–CH_2–COOH, gives
- When propionic acid is treated with aqueous sodium bicarbonate, CO_2 is liberated. The carbon of this evolved CO_2 comes from
- Decarboxylation of isobutyric acid, (CH_3)_2CH–COOH, leads to
- Oxalic acid when heated with concentrated H_2SO_4 gives [Manipal 2010]
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