The product of the following reaction is:
$Ph-CO-CH_3 \xrightarrow[{(ii)\,\Delta }]{{(i)\,aq.\,K_2CO_3}}$ Product

Explain the statement: "The $\alpha$-hydrogen of an aldehyde and ketone is acidic."

The reduction product of ethyl $3$-oxobutanoate by $NaBH_4$ in methanol is

Identify the organic compound which,on heating with a strong solution of $NaOH$,is partly converted into an acid salt and partly into an alcohol.

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

Give the conversion of the following:
$(i)$ $\text{Pent-3-en-2-one}$ from $\text{Ethanal}$
$(ii)$ $\text{Pent-2-enal}$ from $\text{Ethanal}$