Rank the following compounds in terms by increasing boiling point, starting with the lowest boiling point first.
I. 1-pentanol
II. n-pentane
III. 2,2-dimethylpropane
IV. (R)-4-hydroxypentanoic acid.
II < III < IV < I
IV < I < II < III
II < III < I < IV
III < II < IV < I
III < II < I < IV
Which of the following features is characteristic of nonmetals?
They have higher melting points than metals
They are easily stretched
They form negative ions
They form ionic bonds with each other