The reaction of sugar with concentrated $HNO_3$ yields ....

The major product $H$ in the given reaction sequence is:
$CH_3-CH_2-CO-CH_3$ $\xrightarrow{CN^-} G$ $\xrightarrow{95\% \ H_2SO_4, \Delta} H$

The major product formed in the following reaction is
$C_6H_5CH=CH_2$ $\xrightarrow[(ii) H_3O^+]{(i) KMnO_4, KOH, \Delta}$ $\xrightarrow{(iii) Br_2/FeBr_3} \text{Product}$

Which of the following substances produces ethane upon heating with soda lime?

Predict the product of hydrolysis of the above molecule.

The product $(D)$ in the following reaction sequence is: $HOCH_2CH_2CH_2COOCH_2CH_3$ $\xrightarrow{PCC} (A)$ $\xrightarrow[{(1 \ molar \ equivalent)}]{H_2C=CHMgBr} (B)$ $\xrightarrow{NH_4Cl/H_2O} (C)$ $\xrightarrow[H_2O]{KOH}$ $\xrightarrow{H_3O^{+}}$ $\xrightarrow[pyridine]{(CH_3CO)_2O} (D)$