Preparation of Aldehydes and Ketones

Reagent (x) is

Which of the following on heating with aqueous KOH, produces acetaldehyde?

$1-$methylcyclohexa$-1, 3-$diene on reductive ozonolysis with $\mathrm{Zn}/{\mathrm{H}}_2\mathrm{O}$ yields products A and B.The total number of ${\mathrm{sp}}^2$hybridized carbons in A and B are

The Aldehyde prepared from nitro alkane starts with _____.

Convert nitroalkane to ketone.

What is Henry reaction?

How the alkenes are the substrate and $\mathrm{CO}/{\mathrm{H}}_2$ are the reagent of oxo process.

Write the oxo process to produce aldehydes?

Write a chemical reaction for the oxo process.

Explain the oxo process.

Oxo process is an industrial process to prepare the ketone.

Complete the following reaction: 

${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_3 + {\mathrm{CrO}}_3 \stackrel{\mathrm{acetic} \mathrm{anhydride}}{\to } ?$

Which of the following is not synthesized by Rosenmund reduction:

Ethyl methyl ketone is obtained by heating calcium salts of

The Grignard's reagent used to convert Benzonitrile to acetophenone (benzophenone) is:

In the following reaction, $\mathrm{P}$ gives two products $\mathrm{Q}$ and $\mathrm{R}$ each in $40\%$ yield.

If the reaction is carried out with $420 \mathrm{mg}$ of $\mathrm{P}$, the reaction yields $108.8 \mathrm{mg}$ of $\mathrm{Q}$. The amount of $\mathrm{R}$ produced in the reaction is closest to

The major product of the following reaction. 

 is

Benzene reacts with acetyl chloride in the presence of anhydrous ${\mathrm{AlCl}}_3$, we get Aceto_____ as the product.

What are $\mathrm{A}$ and $\mathrm{B}$ in the following reaction sequence?
Propionitrile $+\mathrm{A}⟶\mathrm{B}\stackrel{{\mathrm{H}}_3\mathrm{O}}{⟶}$ propiophenone