# What are the intermolecular forces that operate in isomeric C_4H_9Cl?

Aug 18, 2017

This is an experimental proposition for which we need data, which we ain't got.

#### Explanation:

We would ASSUME here that the longest chain isomer has the LOWEST volatility and the greatest normal boiling point.....

${H}_{3} C - C {H}_{2} C {H}_{2} C {H}_{2} C l$; $\text{boiling point} = 78$ ""^@C

${H}_{3} C - C H C l C {H}_{2} C {H}_{3}$; $\text{boiling point} = 70$ ""^@C

${H}_{3} C - C H \left(C {H}_{3}\right) C {H}_{2} C l$; $\text{boiling point} = 69$ ""^@C

${\left({H}_{3} C\right)}_{3} C - C l$; $\text{boiling point} = 51$ ""^@C.

Are there are only 4 isomers of $\text{butyl chloride}$? Are my boiling points right? Do not assume that I have got it right.

SO why the difference in volatility? $\text{Tert butyl chloride}$ has the least longest carbon chain of the given isomers, and therefore the least potential for van der Waal's interactions.