Home
Class 11
CHEMISTRY
The number of moles of KMnO4 that will b...

The number of moles of `KMnO_4` that will be needed to react completely with one mole of ferrous oxalate in acidic solution is

A

2/5

B

3/5

C

4/5

D

1

Text Solution

Verified by Experts

The correct Answer is:
A
`MnO_(4)^(-)+SO_(3)^(-2) rarr Mn^(+2)+SO_(4)^(2-)`
change in oxidation of Mn = 5
change in oxidation of S = 2
`2MnO_(4)^(-)+5SO_(3)rarr2Mn^(+2)+5SO_(4)^(2-)`
`:.` 1 mol of `SO_(3)^(-2) ` require `2/5` moles `KMnO_4`
Promotional Banner

Topper's Solved these Questions

  • REDOX REACTIONS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - II) ( LEVEL-II) (ADVANCED))(Linked Comprehension Type Questions )|6 Videos

  • REDOX REACTIONS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - II) ( LEVEL-II) (ADVANCED))(Matrix Matching Type Questions)|7 Videos

  • REDOX REACTIONS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - II) ( LEVEL-II (ADVANCED))(Straight Objective Type Questions)|19 Videos

  • PURIFICATION OF ORGANIC COMPOUNDS AND IUPAC NOMENCLATURE

    AAKASH SERIES|Exercise ADDITIONAL PRCATICE EXERCISE (LEVEL - II (LECTURE SHEET (ADVANCED) INTEGER TYPE QUESTIONS)|2 Videos

  • REVISION EXERCISE

    AAKASH SERIES|Exercise CHEMICAL EQUILIBRIUM|107 Videos