NEET2009ChemistryRedox ReactionsActual
Oxidation number of P in PO ₄³⁻ , of S in SO ₄²⁻ and that of Cr in Cr ₂ O ₇²⁻ are respectively :
Options
- A+3,+6 and +6
- B+5,+6 and +6
- C+3,+6 and +5
- D+5,+3 and +6
Correct answer
B. +5,+6 and +6
Step-by-step solution
PO ₄³⁻ , oxidation no. of P +5 SO ₄²⁻ , oxidation no. of S +6 Cr ₂ O ₇²⁻ , oxidation no. of Cr +6