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Chemistry
Why is HCl not used to make the medium acidic in oxidation reactions of KMnO4 in acidic medium?
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Q. Why is $HCl$ not used to make the medium acidic in oxidation reactions of $KMnO_4$ in acidic medium?
The d-and f-Block Elements
A
Both $HCl$ and $KMnO_4$ act as oxidising agents.
8%
B
$KMnO_4$ oxidises $HCl$ into $Cl_2$ which is also an oxidising agent
77%
C
$KMnO_4$ is a weaker oxidising agent than $HCl$
8%
D
$KMnO_4$ acts as a reducing agent in the presence of $HCl$
7%
Solution:
In case $HCl$ is used, it is oxidised to $Cl_2$.
$2KMnO_4 + 16HCl \rightarrow 2KCl + 2MnCl_2 + 8H_2O + 5Cl_2$