C-12-Q108mediumsingle_mcqIn solution, soap dissociates as—aR-COO−\mathrm{R\text{-}COO^-}R-COO− and Na+\mathrm{Na^+}Na+bR-COOH\mathrm{R\text{-}COOH}R-COOH and Na−\mathrm{Na^-}Na−cR-OH\mathrm{R\text{-}OH}R-OH and Na+\mathrm{Na^+}Na+dR-H\mathrm{R\text{-}H}R-H and Na+\mathrm{Na^+}Na+