List of top Chemistry Questions on Redox Reactions In Terms Of Electron Transfer Reactions

Number of electrons exchanged during the following reaction are/is
2Fe³⁺(aq) + 2I^-(aq) → 2Fe²⁺(aq) + I₂(s)

Consider the reactions: 

1. H₃PO₂(aq) + 4 AgNO₃(aq) + 2 H₂O_(l) \(\rightarrow\) H₃PO₄(aq) + 4Ag_(s) + 4HNO₃(aq)
2. H₃PO₂(aq) + 2CuSO₄(aq) + 2 H₂O_(l) \(\rightarrow\) H₃PO₄(aq) + 2Cu_(s) + H₂SO_4(aq) 
3. C₆H₅CHO_(l) + 2[Ag (NH₃)₂]⁺_(aq) + 3OH^- _(aq)  \(\rightarrow\) C₆H₅COO^- _(aq) + 2Ag_(s) + 4NH₃(aq) + 2 H₂O_(l) 
4. C₆H₅CHO_(l) + 2Cu²⁺_(aq) + 5OH^-_(aq) \(\rightarrow\) No change observed. 

What inference do you draw about the behaviour of Ag⁺ and Cu²⁺  from these reactions?

Why does the following reaction occur?
\(XeO_6^{4-}(aq) + 2F^ - (aq) + 6H^ + (aq) \rightarrow XeO_3(g) + F_2(g) + 3H_2O(l)\) What conclusion about the compound \(Na_4XeO_6\)(of which \(XeO_6^{4-}\) is a part) can be drawn from the reaction.

Calculate the oxidation number of Sulphur, chromium, and nitrogen in
\(H_2SO_5\), \(Cr_2O_7^{2−}\) and \(NO_3^−\). Suggest structure of these compounds. Count for the fallacy.

The Mn³⁺ ion is unstable in solution and undergoes disproportionation to give Mn²⁺ , MnO₂, and H⁺ ion. Write a balanced ionic equation for the reaction.

What sorts of information can you draw from the following reaction?
(CN)_2(g)+2OH^-_(aq)\(\rightarrow\)CN^-_(aq)+CNO^-_(aq)+H₂O_(l)

Arrange the following metals in the order in which they displace each other from the solution of their salts.
Al, Cu, Fe, Mg and Zn.

Suggest a list of the substances where carbon can exhibit oxidation states from -4 to +4 and nitrogen from -3 to +5.