s-Block Elements

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Question 1 of 18

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

Select Your Answer:

+ 1, + 4

+ 4, + 1

+ 1, + 1

+ 4, + 4

None of these

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