Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-numerical-Easy-Class 11
In the reaction H3PO2(aq) + 4 AgNO3(aq) + 2 H2O(l) → H3PO4(aq) + 4Ag(s) + 4HNO3(aq), what is the oxidation state change of phosphorus from reactants to products?
A
Phosphorus changes from +1 to +5
B
Phosphorus changes from +3 to +5
C
Phosphorus changes from 0 to +3
D
Phosphorus remains at +5
Correct Answer
Option A
Detailed Explanation
In H3PO2, phosphorus is in the +1 oxidation state, and in H3PO4, it is in the +5 oxidation state. The change is from +1 to +5.
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