state which of the following are oxidation reactions and which are reduction reactions-

i) Cu→Cu2+ + 2e-                         v) Fe2+ → Fe3+ + 1e-          

ii) Cu2+ + 2e- →Cu                      vi) X + 2e- → X2-

iii) Sn4+ + 2e- → Sn2+                 vii) Y - 1e- → Y1+

iv) 2Cl- → Cl2+ 2e-                       viii) Z3+ +1e- → Z2+

 

 


 

Asked by saibaba1069 | 11th Apr, 2020, 07:54: PM

Expert Answer:

(i) Oxidation (Electrons are released)
(ii) Reduction (Electrons are gained)
(iii)Reduction(Electrons are released)
(iv)Oxidation (Electrons are released)
(V)Oxidation (Electrons are released)
(Vi)Reduction(Electrons are gained)
(Vii)Oxidation (Electrons are released)
(Viii)Reduction(Electrons are released)

Answered by Ravi | 11th Apr, 2020, 10:06: PM