Question

On addition of small amount of KMnO4 to concentrated H2SO4, a green oily compound is obtained which is highly explosive in nature. Identify the compound from the following. [NCERT Exemplar]
(a) Mn2O7
(b) MnO2
(c) MnSO4
(c) Mn2O3

Answer 1

Answer:

The answer is Mn2O7.

Explanation:

Mn2O7 arises as a dark green oil by the addition of concentrated H2SO4 to KMnO4.

2KMnO4 + 2H2SO4 = Mn2O7 + H2O + 2KHSO4.

Mn2O7 is highly explosive in nature.

∴ The answer is Mn2O7.

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