📚 Practice Mode
s-Block Elements
Learn at your own pace with hints and detailed explanations
1 / 18
Multiple Choice
Oxidation state of the central atom in A and B are _______ and _______ respectively.
A + H2O → C + H2O2 + O2
B + H2O → C
2B → D + 2K (At 670K)
K is pottasium
- + 1, + 4
- + 4, + 1
- + 1, + 1
- + 4, + 4
- None of these