Justify the following raection as redox reaction.
`2 Na(s) + S(s) rarr Na_2 S(s)`
Find out the oxidizing and reducing agents.

Justify the following reactions are redox reactions : 2K(s) + F_2 (g) rarr 2K^+F^- (s)

Justify the following reactions are redox reaction : CuO(s) + H_2 (g) rarr Cu (s) + H_2O(g)

Justify the following reactions are redox reaction : Fe_(2)O _ 3 (s) + 3CO(g) rarr 2Fe(s) + 2 CO_ 2 (g)

Justify the following reactions are redox reactions : 4BCl_3(g) + 3LiAIH_4 (s) rarr 2B_2H_6 (g) + 3LiCl(s) + 3AICl_3 (s)

Justify that the following reaction are redox reaction, identify the species oxidized/reduced, which acts as an oxidant and which acts as a reductant. 2Cu_2O(s) + Cu_2S (s) rarr 6 Cu (s) + SO_2 (g)

Justify that the following reaction are redox reaction, identify the species oxidized/reduced, which acts as an oxidant and which acts as a reductant. I_2(aq) + 2 S_2O_3^(2Theta)(aq) rarr S_4O_6^(Theta)(aq) + 2I^Theta(aq)

Justify that the following reaction are redox reaction, identify the species oxidized/reduced, which acts as an oxidant and which acts as a reductant. HF (aq) + OH^Theta(aq) rarr H_2O(l) + F^Theta (aq)

Consider the following redox reaction Mg_((S)) +Sn_((aq))^(2+) rarr Mg_((aq))^(2+)+Sn_((s)) : Write the cell formula.

Complete the following chemical reactions. PbS(s) + H_2O_2 (aq) rarr Classify into (a) hydrolysis, (b) redox and (c) hydration reactions.

Balance the following equations in basic medium by ion- electron method and oxidation number methods and identify the oxidising agent and the reducing agent. P_4(s) + OH^(-) (aq) rarr PH_3 (g) + H_2PO_2^(-) (aq)