bromide + formaldehyde + chloride + 2 H(+) => bromochloromethane + H2O
bromide + formaldehyde + chloride + 2 h(+) => bromochloromethane + h2o
bromide + formaldehyde + chloride + 2 H(+) => bromochloromethane + H2O
bromide + formaldehyde + chloride + 2 h(+) => bromochloromethane + h2o