AIIMS 2003
- Exam
- AIIMS
- Year
- 2003
- Subject
- Chemistry
- Chapter
- d and f Block Elements
AIIMS 2003 · Chemistry · d and f Block Elements
MnO_4^ 2- (1 mole) in neutral aqueous medium is disproportionated to
mole) in neutral aqueous medium is disproportionated to
Options
- A2/3 mole of and mole of
- B mole of and of
- C mole of and of
- D of and mole of .
Correct answer
A. 2/3 mole of and mole of
Step-by-step solution
for one mole
}_{2} \mathrm{O} \rightarrow \frac{1}{3} \mathrm{MnO}_{2(s)}+\frac{2}{3} \m mathrm{MnO}}_{4}^{-}+\frac{4}{3} \mathrm{OH}^{-}