Aldehydes, Ketones and Carboxylic Acids questions
1139 published questions with worked solutions.
- When malonic acid is dehydrated using P_4O_ 10 at 150°C, the species formed has a total number of atoms of.....
- The chemical formula of phosgene or carbonyl chloride is:
- The general formula CₙH₂ₙO₂ could be for an open-chain
- Which of the following represents phenyl ethanoate?
- Glyoxal is
- Dichloroacetic acid is a stronger acid than acetic acid. This is due to the occurrence of
- Formic acid is a stronger acid than acetic acid. This can be explained using
- For the amino-acid-type species X, Y and Z shown (differing in the chain-length separation between a protonated amino group and...
- Given (I) phenol, (II) p-chlorophenol, (III) benzoic acid, (IV) p-methylbenzoic acid, the correct acidity order is
- Among the following compounds, the most acidic is
- Which of the aldehydes is most reactive (toward nucleophilic addition)?
- The least active electrophile among methyl acetate, acetyl chloride, N,N-dimethylacrylamide and a thioester is
- Which of the following is a nucleophilic addition reaction?
- PhCHO + HCN → PhCH(OH)CN is an example of
- The reaction R–C(=O)–X + Nu⁻ → R–C(=O)–Nu + X⁻ is fastest when X is
- Reactivity towards nucleophilic addition reaction of (I) HCHO, (II) CH₃CHO, (III) CH₃COCH₃ is
- Which order is correct regarding the acidity of the carboxylic acids Cl₃CCOOH, Cl₂CHCOOH, ClCH₂COOH?
- Which of the following orders is true regarding the acidic nature of the –COOH group?
- Which order is correct regarding the acidity of chlorine-substituted butanoic acid isomers?
- Consider the reaction: R₂C=O + H₂NOH → R₂C=NOH + H₂O. This is an example of
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