$CH_3CO_2Et + (CH_2)_5(MgBr)_2 \xrightarrow[(2) H^{+}]{(1)} \mathop {C_7H_{14}O}\limits_{(A)}$ ; compound $(A)$ will be

What is meant by the following terms? Give an example of the reaction in each case.
$(i)$ Cyanohydrin
$(ii)$ Acetal
$(iii)$ Semicarbazone
$(iv)$ Aldol
$(v)$ Hemiacetal
$(vi)$ Oxime
$(vii)$ Ketal
$(viii)$ Imine
$(ix)$ $2,4-DNP$ derivative
$(x)$ Schiff's base

The product$(s)$ formed when $m$-chlorobenzaldehyde is heated with concentrated $NaOH$ is/are:

What is the major product obtained in the following reaction?
[Image of a substituted cyclohexane ring with a carboxylic acid group, a vinyl group, a nitro group, and an acetyl group, reacting with excess $LiAlH_4$]

The product $(A)$ in the following reaction is:

The structures of major products $A$, $B$, and $C$ in the following reaction sequence are: