The addition of $\mathrm{HCN}$ to carbonyl compounds is an example of

Acetal is produced by reacting alcohol in the presence of dry $\mathrm{HCl}$ with

Acetone oxime is obtained by reacting acetone with

In the Cannizzaro reaction given below,

$2\mathrm{Ph}-\mathrm{CHO}\stackrel{{\mathrm{OH}}^{-}}{⟶}\mathrm{Ph}-{\mathrm{CH}}_2-\mathrm{OH}+{\mathrm{PhCO}}_2^{-}$ the slowest step is

Formaldehyde when reacted with methyl magnesium bromide gives

Which of the following product is formed when benzaldehyde is treated with ${\mathrm{CH}}_3\mathrm{MgBr}$ and the addition product so obtained, is subjected to acid hydrolysis?

From which of the following can we obtain tertiary butyl alcohol, by the action of methyl magnesium iodide?

When ethanal is heated with Fehling's solution, it gives a precipitate of

Schiff's reagent is