Reactions of Aldehyde and Ketone due to Carbonyl group

 ; (X) is

 is

Give decreasing order of the following towards nucleophilic addition reaction.

In the reaction sequence
$\mathrm{C}{\mathrm{H}}_3\mathrm{C}\mathrm{H}\mathrm{O}\stackrel{\mathrm{N}{\mathrm{H}}_2\mathrm{O}\mathrm{H}/\stackrel{\oplus }{\mathrm{H}}}{\to }\left(\mathrm{A}\right)\stackrel{{\mathrm{P}}_2{\mathrm{O}}_5/\mathrm{\Delta }}{\to }\left(\mathrm{B}\right)$ , B will be

 $\left(\mathrm{A}\right)$ ; Product $\left(\mathrm{A}\right)$ is

Imine formation using an aldehyde/ketone and primary amine is acid-catalyzed, yet the rate drops below $\text{pH =}4-5$. Why does the rate drop below this $\text{pH}$?

Find the last product [D] in reaction sequence

Major product of

In the following intramolecular Cannizzaro's reaction, $\mathrm{X}$ is formed. What is $\mathrm{X}?$

Glycine can be obtained from formaldehyde by

can not be prepared by following-

In the below reaction, which product is formed?

$C_6{H}_{5}CHO+C{H}_{3}COC{H}_3 \begin{array}{c}\stackrel{O{H}^{-}}{\to }\\ ∆\end{array}P$ 

Cannizzaro reaction is not shown by

Clemmensen reaction of ketone is carried out in the presence of

Which of the following is the correct sequence of step involved in the mechanism of Cannizzaro reaction?

The reaction between $p-$ methyl benzaldehyde and conc. $NaOH$ is an example of

The reagent used in Wolff-Kishner reduction is

Aldehydes or ketones when treated with $C_6{H}_5-NH-N{H}_2,$ the product formed is

In which of the following reactions the product is not correct?