Put the following compounds in order of increasing boiling points: HCO2H, CH3(CH2)10CO2H, CH3CH2CO2H, (CH3)3CCO2H.
a) CH3CH2CO2H < HCO2H < CH3(CH2)10CO2H < (CH3)3CCO2H
b) HCO2H < CH3CH2CO2H < CH3(CH2)10CO2H < (CH3)3CCO2H
c) (CH3)3CCO2H < CH3(CH2)10CO2H < CH3CH2CO2H < HCO2H
d) CH3CH2CO2H < (CH3)3CCO2H < HCO2H < CH3(CH2)10CO2H