Consider the following redox reaction in which compound 'X' is a product. P4 + H2O + KOH → PH3 + X. The oxidation state of phorsphorous in compound 'X' is

P4 + H2O + KOH → PH3 + X.'X' is KH2PO2KH2PO2(+1) + 2(+1) + X + 2(-2) = 0X = +1Oxidation state 'P' in KH2PO2 = +1

P4 + H2O + KOH → PH3 + X.'X' is KH2PO2KH2PO2(+1) + 2(+1) + X + 2(-2) = 0X = +1Oxidation state 'P' in KH2PO2 = +1

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Consider the following redox reaction in which compound 'X' is a product.
P₄ + H₂O + KOH → PH₃ + X.
The oxidation state of phorsphorous in compound 'X' is

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P₄ + H₂O + KOH → PH₃ + X.
'X' is KH₂PO₂
KH₂PO₂
(+1) + 2(+1) + X + 2(-2) = 0
X = +1
Oxidation state 'P' in KH₂PO₂ = +1

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