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Problem
Pick out the correct statement(s) : (a)
MnO
2
\text{MnO}_2
MnO
2
dissolves in conc.
HCl
\text{HCl}
HCl
, but does not form
Mn
4
+
\text{Mn}^{4+}
Mn
4
+
ions (b) Decomposition of acidic
KMnO
4
\text{KMnO}_4
KMnO
4
is not catalysed by sunlight
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