Transition and InnerTransition Elements - Result Question 72
####72. Show with balanced equations for the reactions when
(i) potassium permanganate interacts with manganese dioxide in the presence of potassium hydroxide.
(ii) potassium ferricyanide is heated with concentrated sulphuric acid.
$(1985,2 M)$
Show Answer
Solution:
- (i) $2 KMnO _4+4 KOH+MnO _2 \longrightarrow 3 K _2 MnO _4+2 H _2 O$
(ii) $K _4 Fe(CN) _6+6 H _2 SO _4+6 H _2 O \longrightarrow$
$$ 2 K _2 SO _4+FeSO _4+3\left(NH _4\right) _2 SO _4+6 CO $$
