Question

Which substance has the highest boiling point? Explain your reasoning. CH3CH2CH3 or CH3CH2OH H2S or H2Se...

Which substance has the highest boiling point? Explain your reasoning.

CH3CH2CH3 or CH3CH2OH

H2S or H2Se

H2S or H2O

Kr or Br2

NO or N2

HCl or LiCl

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Homework Answers

Answer #1

=> CH3CH2OH has high boiling point => CH3CH2OH form inter molecular hydrogen bonding, but not CH3CH2CH3.

=> H2Se has high boiling point=> Molar mass of H2Se greater than H2S.

=> H2O has high boiling point => H2O form inter molecular hydrogen bonding, but not H2S.

=> Br2 has high boiling point => Molar mass of Br2 greater than Kr.

=> NO has high boiling point => Molar mass of NO greater than N2.

=> LiCl has high boiling point => LiCl is a ionic salt, so it high boiling point (salts has high boiling point).

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