Acetaldehyde is polar and benzene is non-polar. But benzene boils at higher temperature. Why?

Acetaldehyde is polar and benzene is non-polar. But benzene boils at h

1.	Acetaldehyde is polar and benzene is non-polar. But benzene boils at higher temperature. Why?
Answer» <html><body><p></p>Solution :Acetaldehyde is polar and has dipole-dipole <a href="https://interviewquestions.tuteehub.com/tag/attractions-385215" style="font-weight:bold;" target="_blank" title="Click to know more about ATTRACTIONS">ATTRACTIONS</a> between its molecules. However, benzene molecules has dispersion of <a href="https://interviewquestions.tuteehub.com/tag/pi-600185" style="font-weight:bold;" target="_blank" title="Click to know more about PI">PI</a> electron cloud. <br/> <a href="https://interviewquestions.tuteehub.com/tag/hence-484344" style="font-weight:bold;" target="_blank" title="Click to know more about HENCE">HENCE</a> molecules of benzene are more associated. Because of the dispersed picloud, <a href="https://interviewquestions.tuteehub.com/tag/benzee-2000390" style="font-weight:bold;" target="_blank" title="Click to know more about BENZEE">BENZEE</a> is less volatile and has higher <a href="https://interviewquestions.tuteehub.com/tag/boiling-17187" style="font-weight:bold;" target="_blank" title="Click to know more about BOILING">BOILING</a> point compared to acetaldehyde</body></html>