D-And F-Block Elements Ques 496
Question: When a small amount of $ KMnO_4 $ is added to concentrated $ H_2SO_4 $ a green oily compound is obtained which is highly explosive in nature. Compound may be:
Options:
A) $ MnSO_4 $
B) $ Mn_2{{O}_7} $
C) $ MnO_2 $
D) $ Mn_2{{O}_3} $
Show Answer
Answer:
Correct Answer: B
Solution:
$ KMnO_4 $ reacts with $ H_2SO_4 $ to form $ Mn_2O_7 $ which is highly explosive substance.
$ 2KMnO_4+H_2SO_4\xrightarrow{{}} $ $ K_2SO_4+Mn_2O_7+H_2O $
