Home
Class 11
CHEMISTRY
Number of electrons involved in the redu...

Number of electrons involved in the reduction of `Cr_(2)O_(7)^(2-)` ion in acidic solution to `Cr^(3+)` is

A

3

B

4

C

2

D

6

Text Solution

Verified by Experts

The correct Answer is:
B
`{:(Cr_(2)O_(7)^(-2)rarr, 2Cr^(3+)),(14H^(+),+7H_(2)O),(+6e^(-),):}`
Promotional Banner

Topper's Solved these Questions

  • REDOX REACTIONS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE - II) (LEVEL - II (ADVANCED)) (More than One correct answer Type Questions)|7 Videos

  • REDOX REACTIONS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE - II) (LEVEL - II (ADVANCED)) (Linked Comprehension Type Questions)|9 Videos

  • REDOX REACTIONS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE - II) (LEVEL - I (MAIN)) (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