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is it appropriate to use an air condenser in this experiment?

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter80: Crystallization: Purification Of Solids

Section: Chapter Questions

Problem 4P

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Question

Why is it appropriate to use an air condenser in this experiment?

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a) it is able to prevent 4-tert-butylphenol from evaporating

b) it is able to prevent 4-tert-butylphenol from subliming

c) it is able to prevent copper(II) bromide from evaporating

d) an air condenser can prevent evaporation of acetonitrile because it has a boiling point of 81-82 °C and will not be boiling at 60 °C

e) an air condenser can prevent water from entering the reaction flask

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