Question

Carbon percentage is maximum in

• A. Pyrene
• B. Gammexane
• C. Ethylene glycol
• D. PVC

Answer 1

Answer: (C)

Ethylene glycol

Answer 2

% of $C = \frac { \text { Mass of } C } { \text { Mass of substance } } \times 100$

$C C l _ { 4 } = \frac { 12 } { 154 } \times 100 = 7.79 \%$

$C _ { 6 } H _ { 6 } \mathrm { Cl } _ { 6 } = \frac { 72 } { 291 } \times 100 = 24.74 \%$

$\mathrm { CH } _ { 2 } \mathrm { OH } - \mathrm { CH } _ { 2 } \mathrm { OH } = \frac { 24 } { 62 } \times 100 = 38.70 \%$.