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Question
Write chemical equations of the following reaction :
Benzoyl chloride is hydrogenated in the presence of `"Pd"/(BaSO_4)`
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Solution
Benzoyl chloride is hydrogenated over catalyst 4 Pd-BaSO to give benzaldehyde. This reaction is called the Rosenmund Reaction.

RELATED QUESTIONS
How will you convert ethanal into the following compound?
But-2-enal
Describe the following:
Cross aldol condensation
Give reasons Acetylation of aniline reduces its activation effect.
Which product is formed when the compound
is treated with concentrated aqueous \[\ce{KOH}\] solution?
Which of the following conversions can be carried out by Clemmensen Reduction?
(i) Benzaldehyde into benzyl alcohol
(ii) Cyclohexanone into cyclohexane
(iii) Benzoyl chloride into benzaldehyde
(iv) Benzophenone into diphenyl methane
Why is there a large difference in the boiling points of butanal and butan-1-ol?
Why is the α-hydrogens of aldehydes and ketones are acidic in nature?
Assertion (A): The final product in Aldol condensation is always α, β-unsaturated carbonyl compound.
Reason (R): α, β-unsaturated carbonyl compounds are stabilised due to conjugation.

Identify A and B:
What is aldol condensation? Explain it with suitable examples.
