Hots Questions
4 min read

Hydrogen

- Want to test your higher order thinking skills? Practice HOTS from this chapter.
1
Questions related to strength of hydrogen peroxide can be a little confusing, especially when additional compounds come into the picture. Try solving this question where excess of acidified KI solution is added.
ml of solution were added to excess of acidified solution. The iodine so liberated required ml of for titration. Calculate strength of  in terms of normality and percentage?
A
B
C
D

2
Remembering data like temperatures and pressures for a specific process is a challenge. Here's one such question on the temperature required to form prismatic crystals of .
forms prismatic crystals at:
A
B
C
D
3
How well can you remember the different reagents used for manufacturing various hydrogen compounds? Try this question:
One of the methods used for manufacturing of  involves the electrolysis of:
A
concentrated
B
fused alkali
C
D
aq.
4
Oxidation state changes are always tricky. Here's a challenging question on changing oxidation states in a reaction with hydrogen peroxide.
In the reaction of with acidified , the oxidation state of iron changes to:
A
from
B
from
C
from
D
from