which one has a lower BP?

[192LT192]

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between dimethyl ether and benzene which has a lower BP?

i thought it was benzene that had lower BP bc dimethyl ether is polar (cant H-bond but still is polar) but the answer is that the dimethyl ether is the lower BP.

why?

 

[Dental Jarry]

I think it is because benzene is extremely stable (Aromatic) which makes it harder to break its intramolecular bonds. This raises its BP.

 

[ethanyoo726]

Ether is only very slightly polar and so, when it comes to the DAT, it's safe to assume that ether is even non-polar.

So dimethyl ether will have a lower BP.