What is the reducing agent in the following reaction?
2 Bi3+ + 3 Mg → 2 Bi + 3 Mg2+
Bi3+ ; Mg ; Mg2+ or Bi ? |
Answer : - Mg
Mg is the reducing agent. As it giving electrons to reduce the Bi+3 to Bi.
i.e., by losing electrons Mg become as Mg+2.
Reducing agent : It is the compound or element which loses or donates electrons to other chemical species in a redox reaction i.e., the ability that has to reduce the other substances. Then that element said to have been oxidized. ( losing of electrons is called oxidized )
3 Mg ------------> 3 Mg+2 + 6e-
Oxidizing agent : It is the compound or element which gains or accept electrons from other chemical species in a redox reaction. That element said to have been reduced.
2 Bi+3 +6e- -----------------> 2 Bi
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