Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-numerical-Medium-Class 11
In the reaction H3PO2(aq) + 4AgNO3(aq) + 2H2O(l) → H3PO4(aq) + 4Ag(s) + 4HNO3(aq), what is the oxidation state change for phosphorus in H3PO2?
A
From +1 to +5
B
From +3 to +5
C
From +1 to +3
D
From 0 to +3
Correct Answer
Option A
Detailed Explanation
In H3PO2, phosphorus has an oxidation state of +1. It changes to +5 in H3PO4 as the reaction involves oxidation of phosphorus.
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