Aldehydes, Ketones and Carboxylic Acids questions
1139 published questions with worked solutions.
- Glyoxal is
- Which of the following methods cannot be used for the preparation of an ester?
- Glycol condenses with ketones to give
- The reaction CH_3COOH + HOC_2H_5 dry HCl CH_3COOC_2H_5 + H_2O is called
- Acetic acid is obtained from ethyl alcohol by the process of
- An alcohol with molecular formula C_4H_ 10 O_3 absorbs two moles of HIO_4 per mole. If the alcohol is chiral, how many...
- In the following two periodate-cleavage reactions, what is the sum of moles of formic acid produced? (i) A tetraol (four...
- Ethyl acetate labelled with the oxygen-18 isotope at its carbonyl oxygen, CH_3- 18 C (=O)-O-CH_2CH_3, is hydrolysed with aqueous...
- Ethylene glycol is treated with HIO_4/H_2O to give product X. The number of moles of product X formed per mole of ethylene glycol...
- Benzene reacts with a reagent in the presence of AlCl₃/HCl to give benzaldehyde (a ring bearing –CHO). Identify the reactant.
- When a mixture of calcium benzoate and calcium acetate is dry distilled, the resulting compound is
- The reagent used in Gattermann–Koch aldehyde synthesis is
- The aldehyde which is formed during photosynthesis in plants is
- Hydrogenation of benzoyl chloride in presence of Pd on BaSO₄ gives
- The compound which forms acetaldehyde when heated with dilute NaOH is
- An organic compound X gives a red precipitate on heating with Fehling's solution. Which one of the following reactions yields X...
- Which reaction is used for the preparation of acetophenone?
- Which of the following gives an aldehyde on dry distillation?
- A + H₂ --Pd/BaSO₄--> a ring bearing –CHO (benzaldehyde). Identify A.
- Stephen's reduction is used to prepare aldehyde from
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