Home
Class 12
CHEMISTRY
MnO(4)^(-)+xe^(-)rarrMnO(4)^(2-) x,...

`MnO_(4)^(-)+xe^(-)rarrMnO_(4)^(2-)`

x,y and z are respectively

A

1,2,3

B

1,5,3

C

1,3,5

D

5,3,1

Text Solution

Verified by Experts

The correct Answer is:
B

`MnO_(4)^(-)+1e^(-)overset("Alkaline medium")(rarr)MnO_(4)^(-2)`
`MnO_(4)^(-)+5e^(-)overset("Acidic medium")(rarr)Mn^(+2)`
`MnO_(4)^(-)+3e^(-)overset("Neutral medium")(rarr)MnO_(2)`
Promotional Banner

Topper's Solved these Questions

  • CHEMISTRY OF HEAVY METALS

    NARAYNA|Exercise Level IV NCERT BASED QUESTIONS|22 Videos
  • CHEMISTRY OF HEAVY METALS

    NARAYNA|Exercise Level-V multiple answer questions|27 Videos
  • CHEMISTRY OF HEAVY METALS

    NARAYNA|Exercise SINGle Answer Questions(LEVEL-II)|36 Videos
  • CHEMISTRY IN EVERYDAY LIFE

    NARAYNA|Exercise ASSERTION & REASON TYPE QUESTIONS|10 Videos
  • CO-ORDINATE COMPOUNDS

    NARAYNA|Exercise Exercise-4|60 Videos

Similar Questions

Explore conceptually related problems

Pyrolusite is MnO_(2) used to prepare KMnO_(4) . Steps are, MnO_(2)overset(I)(rarr)MnO_(4)^(2-)overset(II)(rarr)MnO_(4)^(-) Steps I and II are respectively :

Pyrolusite is MnO_(2) used to prepare KMnO_(4) step are: MnO_(2)undersetto(I)MnO_(4)^(2-)undersetto(II)MnO_(4)^(-) Step I and II are respectively:

MnO_(4)^(-) oxidises H_(2)O_(2) to O_(2) in acidic medium xMnO_(4)^(-)+yH_(2)O_(2)+zH^(+) rarr Mn^(2+)+O_(2)+H_(2)O Coefficients x , y and z are respectively

MnO_(4)^(-) is good oxidising agent in different medium changing to - rarr MnO_(4)^(2-) rarr MnO_(4)^(2-) rarr MnO_(2) rarr Mn_(2)O_(3) Changes in oxidation number respectively are -

I^(-)(aq.)+MnO_(4)^(-)(aq.)overset(H^(+))toX+Mn^(2+)(aq.) I^(-)(aq.)+MnO_(4)^(-)(aq.) underset("weakly "OH^(-))overset("Neutral or")to Y+MnO_(2) MnO_(4)^(-)(aq.)+Mn^(2+)(aq.) overset(ZnSO_(4)) to Z+4H^(+) Product X, Y and Z are respectively.

Consider the following reaction x MnO_(4)^(-) + C_(2)O_(4)^(2-) + zH^(+) rarr x Mn^(2+) + 2y CO_(2) + (z)/(2)H_(2)O The value of x, y and z in the reaction are respectively