1
IIT-JEE 1997
Subjective
+5
-0
To a 25ml H2O2 solution, excess of acidified solution of potassium iodide was added. The iodine liberated required 20 ml of 0.3 N sodium thiosulphate solution. Calculate the volume strength of H2O2 solution.
2
IIT-JEE 1995
Subjective
+2
-0
A 5.0 cm3 solution of H2O2 liberates 0.508 g of iodine from an acidified KI solution. Calculate the strength of H2O2 solution in terms of volume strength at STP.
3
IIT-JEE 1986
Subjective
+1
-0
Complete and balance the following equation:

S + OH- $$\to$$ S2- + $$S_2O_3^-$$
4
IIT-JEE 1986
Subjective
+1
-0
Arrange the following in increasing oxidation number of iodine.

I2, HI, HIO4, ICl
JEE Advanced Subjects