HARD
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The products of the reaction of HCHO and PhCHO in presence of concentrated base are
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Important Questions on Aldehydes, Ketones and Carboxylic Acids
MEDIUM
The major product of the following reaction is:
HARD
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:
HARD
The major product obtained in the following reaction is:
HARD
In the reaction sequence
; the product B is:
MEDIUM
The major product 'X' formed 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:
HARD
The major product of the following reaction is:
MEDIUM
The major product B formed in the following reaction sequence is:
EASY
In the following reaction
MEDIUM
In the following reactions, products and are:
MEDIUM
In the following reactions
X and Y are
EASY
The product formed by the reaction of an aldehyde with a primary amine is:
HARD
Treatment of cyclopentanone
with methyl lithium gives which of the following species?MEDIUM
The increasing order of the reactivity of the following with is:
EASY
An organic compound 'X' having molecular formula yields phenyl hydrazone and gives negative response to the iodoform test and Tollen's test. It produces n-pentane on reduction. 'X' could be:
MEDIUM
Formaldehyde on reaction with ammonia gives a compound , which is on nitration yields cyclonite. The compound is
EASY
In the reaction sequence
The major product X and Y, respectively, are
MEDIUM
The major product formed in the following reaction is:
MEDIUM
Which of the following reagents would distinguish cis-cyclopenta-1, 2-diol from the trans-isomer?
HARD
The major product of the following reaction sequence is
