i need help i am writing up a bunch of reports and i am stuck doing a few pieces.
1)titrtion of sodim thiosufate with iodine solution(potasium iodide, h2so4 and sodium peroxoborate) i just need the equation.
2)tests for k N02 -, addition of hcl and warmed, a brown gas is produced, (no2 )
...-addition of kmno4+ h2so4 purlple colour dissapears,
equations and type of reaction.
3)uses of kno2 in lab and industry.
would be very grateful if anybody could reply to any part, thanks! :Confuzzled: