When `KHSO_(4)` is added into a concentrated solution of `H_(2)SO_(4)` the acidity of the solution.

When Cu is reacted with hot concentrated solution of H_(2) SO_(4) then the gas obtained is

When Cu is reacted with hot concentrated solution of H_(2) SO_(4) then the gas obtained is

Conc. HNO_(3) is added to FeSO_(4) solution in presence of H_(2)SO_(4) .

When 11.2 g of KOH is added to one litre of 'X' M H_(2) SO_(4) solution , the pOH of the solution becomes 13.301 . Then the value of 'X' is (assume no change in the volume of solution by the addition of KOH)

100 mL of 0.1 M solution of H_(2)SO_(4) is used to prepare 0.05N solution of H_(2)SO_(4) . What is the volume of water added to prepare the desired solution:

H_(3)PO_(3) is added to KMnO_(4) solution acidified with H_(2)SO_(4) .

What happen when(i) a small amount of KMnO_(4) is added to concentrated H_(2)SO_(4) (ii) an excess amount of KMnO_(4) is added to concentrated H_(2)SO_(4) solution.

What happen when(i) a small amount of Kmno_(4) is added to concentrated H_(2)SO_(4) (ii) an excess amount of KMnO_(4) is added to concentrated H_(2)SO_(4) solution.

When oxalic acid is heated with concentrated H_(2) SO_(4) it produces