MediumChemistry
+4 / -1
The oxidation number of phosphorus varies from;
A
–3 to +5
B
–1 to +1
C
–3 to +3
D
–5 to +1
Explanation
Phosphorous belongs to group 15. It has 5 electrons in its valence shell. So it can either lose 5e– to attain +5 oxidation state or gain 3e– to attain –3 oxidation state.
Previous
For the reaction given below, which statement is correct? 2Fe + 3CdCl2 → 2FeCl3
NextThe conversion of sugar C12H22O11 → CO2 is;
More from Redox Reaction
Medium
The number of moles of KMnO4 that will be needed to react completely with one mole of ferrous oxalat
EasyThe oxidation number of Sulphur in S₈ and S₂F₂ respectively are
MediumMatch the half-reactions (in column I) with change in oxidation number (in column II)
MediumThe number of oxygen atoms showing –1 oxidation state in CrO5 molecule are:
MediumWhich of the following is a redox reaction?
MediumGiven; Co3+ + e− → Co2+ ; E° = +1.81V Pb4+ + 2e− → Pb2+ ; E° = +1.67V Ce4+ + e− → Ce3+ ; E° = +1.61V
Practice Chemistry Exams
Full-length mock tests with detailed analytics, rank, and percentile.
Browse Exams