Which of the following chemical reactions is an oxidation-reduction reaction?
CuSo4+BaCI2 ---- BaSo4 + CuCI2
AgNO3+NaCI --- AgCI + NaNO3
pB(NO3)2 + 2NaCI --- PbCI2 + 2NaNO3
Zn+ H2SO4 --- ZnSO4 + H2

Question

Which of the following chemical reactions is an oxidation-reduction reaction? 
CuSo4+BaCI2 ----> BaSo4 + CuCI2
AgNO3+NaCI ---> AgCI + NaNO3
pB(NO3)2 + 2NaCI ---> PbCI2 + 2NaNO3
Zn+ H2SO4 ---> ZnSO4 + H2

anonymous · Answer

Help Pleasee

anonymous · Answer

Oxidation is gain of oxygen.

Reduction is loss of oxygen.

anonymous · Answer

Oxidation is loss of hydrogen.

Reduction is gain of hydrogen.

anonymous · Answer

Oxidation is loss of electrons.

Reduction is gain of electrons.

nechirwan · Answer

leo  (lose electron oxidation )
say
ger (gain electron reduction )
Zn+ H2SO4 ---> ZnSO4 + H2