`SO_(2)` is obtained when

H_(2)O_(2) can be obtained when following reacts with H_(2)SO_(4) except with-

H_(2)O_(2) can be obtained when following reacts with H_(2)SO_(4) excepts with

H_(2)O_(2) can be obtained when following reacts with H_(2)SO_(4) excepts with

A colourless salt X has 50% Na_(2)SO_(3) and 50% H_(2)O . How much of SO_(2) at NTP is obtained when 2.52 g of X reacts with excess of dil . H_(2)SO_(4) ?

What type of sol is obtained when H_(2)S gas is passed over an aqueous solution is SO_(2) ?

How many of the following are correct. (i) A white precipitate is obtained when a solution of BaCl_(2) is treated with Na_(2)SO_(3) (ii) A white precipitate is obtained when a solution of NaAlO_(2) is heated with NH_(4)Cl (iii) A white precipitate is obtained when H_(2)SO_(4) is passed through a solution of ZnSO_(4) (iv) A white precipitate is obtained when a solution of ZnSO_(4) is treated with one of Na_(2)CO_(3)