Describe the oxidising action of Potassium dichromate and write the ionic equation for its reactions with iron (II) solution.

Describe the oxidising action of Potassium dichromate and write the ionic equation for its reactions with H_2S .

Describe the oxidising action of Potassium dichromate and write the ionic equation for its reactions with iodide ion.

Write the method of preparation of potassium dichromate.

Write the equation of the reaction in biological nitrogen fixation.

How does the acidified permanganate solution react with the following? Write the ionic equations for the reactions: (i)KI (ii) iron(II) ion

A sweet smelling organic compound (A) is slowly oxidised by air in presence of light to a highly poisonous gas on warming with silver powder, it forms a gaseous substance (B), which is also produced by the action of calcium carbide on water. Identify (A) and (B) and write the chemical equations of the reactions involved.

Write the chemical reaction when iron reacts with dilute H_2SO_4 .

Bi_2O_3 is treated with HNO_3 write balanced equation for the reaction.

How does the acidified permanganate solu-tion react with the following? Write the ionic equations for the reactions: oxalic acid