EASY
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When carbonyl compounds react with hydroxylamine produces .

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Important Questions on Aldehydes, Ketones and Carboxylic Acids
HARD
Positive Tollen's test is observed for

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Which of the following is most reactive towards addition reaction of hydrogen cyanide to form corresponding cynohydrin?

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The major product of the following reaction sequence is


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The major product 'X' formed in the following reaction is:

HARD
Which of the following is the best method for reducing bromopropanal to bromopropane?

MEDIUM
Which of the following reagents would distinguish cis-cyclopenta-1, 2-diol from the trans-isomer?

MEDIUM
The main reduction product of the following compound with in methanol is:


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The increasing order of the reactivity of the following with is:

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A mixture of benzaldehyde and formaldehyde on heating with aqueous solution gives

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Which of the following is not an intermediate in the acid catalysed reaction of benzaldehyde with two equivalent of methanol to give acetal?

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The major product formed in the following reaction is:

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What is Formalin? Write its use.

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:

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The product formed by the reaction of an aldehyde with a primary amine is:

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In the following reaction

HARD
The major product of the following reaction is:

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The major product of the following reaction is:

HARD
The number of aldol reactions(s) that occurs in the given transformation is


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The reagent(s) which can be used to distinguish acetophenone from benzophenone is/are

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Formalin is an aqueous solution of

