When conc. `H_2SO_4` is added to `KMnO_4`, explosion take place and the product formed is

Conc. H_2 SO_4 is not a

An explosion takes place when conc. H_2SO_4 is added to KMnO_4 . Which of the following is formed?

When conc. H_2 SO_4 is added to dry KNO_3 brown fumes evolve. These fumes are of

When hypo solution is added to KMnO_(4) solution then

What happens when: (i) conc. H_(2)SO_(4) is added to Cu ? (ii) SO_(3) is passed through water ? Write the equations

Why conc. H_2SO_4 is stored in air tight bottles ?

If sucrose is treated with conc. H_(2)SO_(4) , the product formed is

When methyl alcohol is heated to 140^(@)C with conc. H_(2)SO_(4) , the product formed is :

When H_(2)S is passed through nitric acid and acidified KMnO_(4) solution the product formed is

State the observation seen when conc . H_(2)SO_(4) is added to i] ]sucrose (ii) hydrated copper [II] sulphate.