Question

The total number of structural isomers possible for the formula $C_3{H}_{5}C{l}_3$ is?

• A. 4
• B. 3
• C. 2
• D. 5

Answer 1

The correct option is A 4

There are four isomers in $C_3{H}_{5}C{l}_3$

1) Cl on every carbon.

2) Two Cl on first carbon one on second carbon.

3) Two Cl on second carbon, one Cl on first carbon.

4) Two Cl on first carbon, one on third carbon.

All isomers are given in the above picture.