Redox Reactions...

2 Na(s) -----------> 2Na⁺ + 2e^-

 2H⁺   +  2 e^{-​​​​_​​​​}  --------> H_{​​​​​​2}

Which is oxidizing and Reducing?

In the free or the uncombined state, each atom in O₂O₃,P_4,S₈ and Mg has the oxidation number

For ions composed of only one atom, the oxidation number is equal to the

In the decomposition of lead (II) nitrate to give lead (II) oxide, nitrogen dioxide and oxygen gas, the coefficient of nitrogen dioxide (in the balanced equation) is

Silver article turns black when kept in the open for a few days due to formation of

An oxidation number of +1 is found in all their compounds of one of the below given options

The oxidation number of hydrogen in LiH, NaH and CaH₇ is

Chlorine, bromine and iodine when combined with oxygen, have oxidation numbers

The oxidation number of an element in a compound is evaluated on the basis of certain rules. Which of the following rules is not correct in this respect?

Using the standard electrode potential of redox couples given below find out which of the following is the strongest oxidising agent.

E⁰ values: Fe³⁺/Fe²⁺ = +0.77; I²/I^-(s) = +0.54; Cu²⁺/Cu = +0.34; Ag⁺/Ag = +0.80