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In Clemmensen reduction, aldehyde and ketone is reduced to alkane in the presence of zinc-mercury amalgam and concentrated acid.

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Important Questions on Aldehydes, Ketones and Carboxylic acids
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The reduction product of ethyl -oxobutanoate by in methanol is

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

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The reagents and respectively are

HARD
Reagent(s) which can be used to bring about the following transformation is(are)

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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:

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The major product in the following reaction is:


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In the above reactions, product A and product B respectively are:

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The major product of the following reaction is:

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4-Formyl benzoic acid on treatment with one equivalent of hydrazine by heating with alcoholic gives the major product-

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The appropriate reagent for the following transformation is

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The major product of the following reaction is:

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Considering the above reaction, the major product among the following is:

EASY
Aldehydes and ketones can be reduced to hydrocarbon by using

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Aldehydes and ketones those are not sensitive to acids when heated with zinc amalgam and concentrated hydrochloric acid give alkane. This reaction is known as

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Match the following.
Column-1 Reaction |
Column-2 product |
||
A |
|
I | Cyclohexanol |
B | ![]() |
II | Benzyl alcohol |
C |
|
III | Toluene |
IV | Benzaldehyde | ||
V | Cyclohexane |
The correct match is

EASY
Experimentally reducing a functional group cannot be done by which one of the following reagents ?

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The major product of the following reaction is:


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In the following reactions
X and Y are

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

