P-Block Elements Ques 116
Question: In the preparation of chlorine from $ HCl, $ $ MnO_2 $ acts as
[CPMT 1981]
Options:
A) Oxidising agent
B) Reducing agent
C) Catalytic agent
D) Dehydrating agent
Show Answer
Answer:
Correct Answer: A
Solution:
$MnO_2+4HCl→MnCl_2+2H_2O+Cl_2$
In the above reaction $MnO_2$ is reduced to $Mn^{+2}$ and oxidation number decreases from +4 to +2, thus it acts as oxidising agent.
