$NaOH/H^{+}$ reacts with:

Arrange the following in the correct order of the rate of Nucleophilic Addition Reaction $(NAR)$:
$(I) \ HCHO$
$(II) \ CH_3CHO$
$(III) \ p-NO_2-C_6H_4CHO$
$(IV) \ p-CH_3-C_6H_4CHO$

The product $(4)$ in the given reaction sequence is:

What is obtained when acetaldehyde is heated with ammoniacal silver nitrate?

To carry out the following conversion,arrange the reagents in the correct order:
$O_3/Zn$ $(1)$
$EtONa/EtOH/\Delta$ $(2)$
$NaOCl$ $(3)$
$H^{+}$ $(4)$

Which of the following would produce enantiomeric products when reacted with methyl magnesium iodide?