EASY
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The reaction of cyclopentanone with diazomethane gives
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Important Questions on Carbonyl Compounds and Carboxylic Acids
MEDIUM
The major product of the following reaction is:
HARD
The major product of the following reaction is:
HARD
Columns 1, 2 and 3 contain starting materials, reaction conditions and type of reactions respectively.
| Column 1 | Column 2 | Column 3 |
| (I) Toulene | (i) | (P) Condensation |
| (II) Acetophenone | (ii) | (Q) Carboxylation |
| (III) Benzaldehyde | (iii) | (R) Substitution |
| (IV) Phenol | (iv) | (S) Haloform |
EASY
Which is the most suitable reagent for the following conversion?
HARD
Which of the following is not an intermediate in the acid catalysed reaction of benzaldehyde with two equivalent of methanol to give acetal?
MEDIUM
The major product in the following reaction is:
EASY
Reaction of a carbonyl compound with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is:
MEDIUM
Identify Y in the above sequence of reactions
EASY
Which of the following is most reactive towards addition reaction of hydrogen cyanide to form corresponding cynohydrin?
MEDIUM
Which of the following reagents would distinguish cis-cyclopenta-1, 2-diol from the trans-isomer?
MEDIUM
Haloform reaction with and will be responded by
MEDIUM
The reagent(s) which can be used to distinguish acetophenone from benzophenone is/are
MEDIUM
The reagents and respectively are
MEDIUM
In the following reaction
carbonyl compound
Rate of the reaction is the highest for:
MEDIUM
For the reaction-
rate of reaction is faster, when is-
HARD
Benzaldehyde can be converted to benzyl alcohol in concentrated aqueous solution using
MEDIUM
The compound that does not undergo haloform reaction is
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The test performed on compound and their inferences are:
| Test | Inference |
| - test | Coloured precipitate yellow |
| Iodoform test | Yellow precipitate |
| Azo-dye test | No dye formation |
Compound is:
MEDIUM
A mixture of benzaldehyde and formaldehyde on heating with aqueous solution gives
HARD
After completion of the reactions (I and II), the organic compound(s) in the reaction mixtures is(are):
