Equal chemical amounts (0.10 mol) of four different organic compounds are added separately to equal volumes (1.0 dm3) of pure water at room temperature.
Which compound produces a solution with the highest electrical conductivity?
CH3CH2CH2COOCH2CH3\text{CH}_3\text{CH}_2\text{CH}_2\text{COOCH}_2\text{CH}_3CH3CH2CH2COOCH2CH3
CH3CH2CH2COCl\text{CH}_3\text{CH}_2\text{CH}_2\text{COCl}CH3CH2CH2COCl
CH3CH2CH2COOH\text{CH}_3\text{CH}_2\text{CH}_2\text{COOH}CH3CH2CH2COOH
CH3CH2CH2CONH2\text{CH}_3\text{CH}_2\text{CH}_2\text{CONH}_2CH3CH2CH2CONH2