A compound is formed by the substitution of two hydrogen atoms by two halogen atoms in propane. What is the number of structural isomers?

Options

A. 4
B. 3
C. 2
D. 1

Answer

A

Explanation

`CH_3undersetoverset(|)(Cl)(C ) H-CH_2, CH_3CH_2-oversetunderset(|)(Cl)(C )H-Cl`
`undersetoverset(|)(Cl) (C )H_2-CH_2-undersetoverset(|)(Cl)(C )H_2, CH_3-undersetoverset(|)(Cl)oversetunderset(|)(Cl)(C )-CH_3`