The reaction $CH_3CHO \xrightarrow[Zn(Hg)/Conc. HCl]{[H]} CH_3CH_3$ is known as:

Nucleophilic addition reaction will be most favoured in which among the following compounds?

Arrange the following compounds in the increasing order of their equilibrium constants for the formation of a hydrate:
$(I)$ $6$-amino-$1$-tetralone
$(II)$ $7$-amino-$1$-tetralone
$(III)$ $1$-tetralone
$(IV)$ $6$-nitro-$1$-tetralone

Which of the following gives a positive iodoform test? The reaction is shown below:
$2,3,5-\text{trimethylhepta-2,4-diene} \xrightarrow[(2) H_2O/Zn]{(1) O_3} X (C_3H_6O) + Y (C_3H_4O_2) + Z (C_2H_4O)$

Which of the following will not give the Cannizzaro reaction?

Compound $(P)$ is formed by the acid-catalyzed rearrangement of $1$-methyl-$1$-cyclohexyl hydrogen peroxide. The reaction is shown below. Identify compound $(P)$.