Previous Year NEET Question- Alcohols L-5
The general molecular formula, which represents the homologous series of alkanols is CnH2n+2O
A) $\mathrm{C}{\mathrm{n}} \mathrm{H}{2 \mathrm{n}+2} \mathrm{O}$
B) $\mathrm{C}_{\mathrm{n}} \mathrm{H}_2 \mathrm{O}_2$
C) $\mathrm{C}{\mathrm{n}} \mathrm{H}{2 \mathrm{n}} \mathrm{O}$
D) $\mathrm{C}{\mathrm{n}} \mathrm{H}{2 n+1} \mathrm{O}$
Answer: $\mathrm{C}{\mathrm{n}} \mathrm{H}{2 \mathrm{n}+2} \mathrm{O}$
Solution:
General molecular formula of alkanols is CnH2n+2O $$ \mathrm{C}{\mathrm{n}} \mathrm{H}{2 \mathrm{n}+2} \mathrm{O} \text { or } \mathrm{C}{\mathrm{n}} \mathrm{H}{2 \mathrm{n}+1} \mathrm{OH} $$