Preparation of Aldehydes and Ketones

Reagent (x) is

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

Find the product A and B in the given reaction :

Hex-2-ene$\underset{{\mathrm{H}}_2{\mathrm{O}}_2}{\overset{{\mathrm{O}}_3}{\to }}\mathrm{A}+\mathrm{B}$

In a set of reactions benzyl cyanide is yielded a compound $\mathrm{C}$.

${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2\mathrm{CN}\underset{\mathrm{ii}) {\mathrm{H}}_3{\mathrm{O}}^{+}}{\overset{\mathrm{i})\mathrm{AlH}{\left(\mathrm{i}-\mathrm{Bu}\right)}_2}{\to }}\mathrm{A}\stackrel{\mathrm{Tollen}\text{'}\mathrm{s} \mathrm{reagent}}{\to }\mathrm{B}\stackrel{{\mathrm{H}}_3{\mathrm{O}}^{+}}{\to }\mathrm{C}$

${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{COOC}}_2{\mathrm{H}}_5\underset{\left(\mathrm{ii}\right){\mathrm{H}}_3{\mathrm{O}}^{+}}{\overset{\left(\mathrm{i}\right)\mathrm{DiBAL}-\mathrm{H}\left(1\mathrm{eq}\right)}{\to }} \mathrm{A} + \mathrm{B}$

$\mathrm{A} \text{and} \mathrm{B} \text{are}$

Product $A$ is

Major product of following reaction is

$1-$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

An unknown alkene $\left(\mathrm{A}\right)$ reacts with $3$ mole of ${\mathrm{H}}_2$ gas in presence of platinum catalyst to form 1-isopropyl-$4$-methyl cyclohexane. When unknown alkene $\left(\mathrm{A}\right)$ is ozonized and reduced,following product are obtained

The alkene $\left(\mathrm{A}\right)$ is

In the given reaction sequence

.

In product $\mathrm{B}$, the degree of unsaturation is $\mathrm{n}$. Report the value of $\mathrm{n}$.

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

The name of organic compound ${\mathrm{C}}_4{\mathrm{H}}_6$ that produces carbon dioxide, ethanal and methanal upon treatment with ${\mathrm{O}}_3$ followed by reduction with $\mathrm{Zn}/{\mathrm{H}}_2\mathrm{O}$ is:

The major product(s) in the following reactions is/are

Matching the following:

	Reaction conditions		Name of the reaction
a		$\mathrm{i}$	Gatterman-Koch
b		$\mathrm{ii}$	Etard
c		$\mathrm{iii}$	Rosenmund

The products $\mathrm{P}$ and $\mathrm{Q}$ of the following reactions, respectively are: