Question
In a metal deficient oxide sample, M _ x Y _2 O _4 ( M and Y are metals), M is present in both +2 and +3 oxidation states and Y is in +3 oxidation state. If the fraction of M ^ 2+ ions present in M is 1 3 , the value of X is ________.
JEE Advanced
Chemistry
Redox Reactions
2024
JEE Advanced 2024 (Paper 2)
JEE Advanced Chemistry Question (2024) — Solution
Options
- A. 0.25
- B. 0.33
- C. 0.67
- D. 0.75
Answer
D. 0.75
Step-by-step solution
Average oxidation state of M = 1 3 2+ 2 3 3=+ 8 3 aligned & For M _ X M _ 2 Y _4 \\ & 8 3 x +3 2+4(-2)=0 \\ & 8 3 x =2 \\ & x = 3 4 =0.75 aligned
Related: Chemistry — Redox Reactions · All PYQ Banks