Sarthaks Test
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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. 

(i) Mn2O7   (ii) MnO2    (iii) MnSO4    (iv) Mn2O3

1 Answer

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Best answer

The correct answer is (i) Mn2O7

Explanation:

2KMnO4 + 2H2SO4 (concentrated) → Mn2O7 + 2KHSO4 + H2O

Mn2O7 named Manganese(VII) oxide or Manganese heptoxide is an inorganic compound which is highly explosive in nature.

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2KMnO4 + 2H2SO4 (conc) → Mn2O7 + 2KHSO4 + H2O
 Mn2O7  is a compound highly explosive in nature.

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