1.

Statement-1:Aqueous solution of hydrogen peroxide is kept in glass or metel container containing some urea or phosphoric acid. Statement-2:Urea or phosphoric acid acts asa negative catalyst for the decomposition of hydrogen peroxide.

Answer»

Statement-1 and statement-2 are CORRECT andstatement-2 is the correct explanation for Statement-1
Statement-1 is TRUE, Statement-2 are correct but statement-2 is NOT a correct explanation for Statement-1
Statement-1 is correct, but statement-2 is False.
Statement-1 is False, but Statement-2 is correct.

Solution :Kept in plastic or wax-lined GLASS containers containing urea or phosphoric acid, because traces of alkali metal ions from the glass and metal ion from the metal SURFACE respectively can catalyse the explosive decomposition of `H_2O_2`


Discussion

No Comment Found