Redox Reactions - Result Question 12

####12. Which of the following reactions are disproportionation reaction?

(a) 2Cu+Cu2++Cu

[2019]

(b) 3MnO42+4H+2MnO4+MnO2+2H2O

(c) 2KMnO4ΔK2MnO4+MnO2+O2

(d) 2MnO4+3Mn2++2H2OΔ5MnO2+4H+

Select the correct option from the following:

(a) (a) and (b) only

(b) (a), (b) and (c)

(c) (a), (c) and (d)

(d) (a) and (d) only

Show Answer

Solution:

  1. (a) In a disproportionation reaction, one species undergoes both oxidation and reduction.


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