Question

O.N. of P in KH₂PO₂ is
(a) + 1 (b) + 3
(c) + 5 (d) – 4

Answer 1

Answer:

option (a)+1 is the answer.

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Answer 2

(a) + 1

Explanation:

Oxidation number of P in KH₂PO₂ can be calculated as follows:

1(+1) + 2 (+1) + x -2(2) = 0 where oxidation number of Potassium is +1, hydrogen is +1 and oxygen is -2.

1 + 2 + x -4 = 0

x -1 = 0

Therefore x = +1

Option A is the answer.