Pick the compound with the highest boiling point in each pair. match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer. no2 cs2 ch4 co2 nh3 for the pair of compounds cs2 or co2 the one with the highest boiling point is co2. for the pair of compounds co2 or no2 the one with the highest boiling point is no2. for the pair of compounds nh3 or ch4 the one with the highest boiling point is nh3.