definition
A + BC → AC + B
Element A shine ƙarfe a cikin wannan aikin gabaɗaya kuma ya maye gurbin kashi B, ƙarfe a cikin mahaɗan kuma. Idan wanda aka maye gurbinsa ba karfe bane, dole ne ya maye gurbin wani wanda ba karfe bane a wani mahadi, kuma ya zama shine daidaituwar gaba daya.
Yawancin karafa suna saurin amsawa tare da acid, kuma ɗayan samfuran samin lokacin da suke yin hakan shine gas na hydrogen. Zinc yana aiki da ruwan zinc chloride da hydrogen tare da acid hydrochloride (duba hoto a ƙasa).
Mataki na 2
3bro3 + C6H5CH3 → 3H2O + C6H2CH3(NO2)3
Abin da: H2SO4
Yadda za a yi amfani da HNO3 + C6H5CH3 => H2O + C6H2CH3(NO2)3