An inorganic compound liberates O_(2) when heated, turns an acid solution of KI brown and reduces acidified KMnO_(4). The substance is

An inorganic compound liberates O_(2) when heated, turns an acid solut

1.	An inorganic compound liberates O_(2) when heated, turns an acid solution of KI brown and reduces acidified KMnO_(4). The substance is
Answer» `H_(2)O_(2)` `D_(2)O` `KNO_(3)` `Pb(NO_(3))_(2)` Solution :`2H_(2)O_(2) rarr 2H_(2)O+O_(2)` `H_(2)O_(2)+KI rarr 2KOH+I_(2)` `2KMnO_(4)+5H_(2)O_(2)+3H_(2)SO_(4) rarr K_(2)SO_(4)+2MnSO_(4)+8H_(2)O+3O_(2)`