Question

The total number of structural isomers possible for the sixth member of alkane homologous series is

• A. $3$
• B. $2$
• C. $5$
• D. $4$

Answer 1

Answer: (C)

Sixth member of alkane homologous series is hexane $(C_6{H}_{14})$
(1) $C{H}_3—\underset{\text{n-Hexane}}{C{H}_2—C{H}_2—C{H}_2—C{H}_3}$
(2)
(3)
(4)
(5)