Question

On addition of small amount of $KMnO_4$ to concentrated $H_2SO_4$, a green oily compound is obtained which is highly explosive in nature. Identify the compound from the following.

• A. $Mn_2O_7$
• B. $MnO_2$
• C. $MnSO_4$
• D. $Mn_2O_3$

Answer 1

Answer: (A)

$Mn_2O_7$

Answer 2

${2KMnO_4 + 2H2SO4(conc.) ->}$ $\underset{\text{(green oily)}}{\cf{Mn2O7}}$ $+ 2KHSO_4 + H_2O$