Chapter 42 Introduction to selected homologous series

Which of the following compounds are soluble in water?

(1) 1-bromopentane

(2) Methanol

(3) Propanone

Which of the following statements concerning pentane and 2,2-dimethylpropane are correct?

(1) They have the same molecular mass.

(2) Pentane has a higher boiling point than 2,2-dimethylpropane.

(3) Pentane and 2,2-dimethylpropane are denser than water.

Which of the following is the correct increasing order of boiling points of the compounds?

What is the systematic name of the following compound?

Which of the following statements concerning 2-chloropropane and 2-iodobutane are correct?

(1) They are haloalkanes.

(2) 2-chloropropane has a higher boiling point than 2-iodobutane.

(3) They have the same general formula, RX, where R is an alkyl group and X is a halogen atom.

How many types of functional groups are in the following compound?

Which of the following combinations is correct?

Homologous series, General formula

Which of the following is the correct decreasing order of boiling points of the compounds?

Which of the following compounds has/have hydrogen bonds between their molecules?

(1) Ethanamine

(2) Ethyl ethanoate

(3) Ethanal

Which of the following statements concerning butanamide and methyl propanoate are correct?

(1) They are soluble in water.

(2) They are more volatile than 1-bromobutane.

(3) Butanamide has a higher boiling point than methyl propanoate.