Identify the major product $P$ in the following reaction:
$1,3-\text{cyclohexanedione} + Cl-CH_2-CHO \xrightarrow{\text{aq. NaOH}} P$

The end product $(C)$ in the following sequence of reactions is:
$HC \equiv CH$ $\xrightarrow[20\% \ H_2SO_4]{1\% \ HgSO_4} A$ $\xrightarrow[H_2O]{CH_3MgX} B$ $\xrightarrow{[O]} (C)$

Explain the Cannizzaro reaction.

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

Compound "x" having molecular formula $C_3H_6O$,is reduced by Red $P/HI$ to give compound "y" $(C_3H_8)$. If "x" reduces Tollen's reagent,what is the possible structure of "x"?

Identify $(A)$ in the following reaction sequence:
$\mathop {(A)}\limits_{\text{gives positive iodoform Test}}$ $\xrightarrow[(ii) H^{+}, H_2O, (iii) \text{conc. } H_2SO_4/\Delta ]{(i) CH_3MgBr} (B)$ $\xrightarrow{O_3/Zn, H_2O}$