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:

  1. (i) $2 KMnO _4+4 KOH+MnO _2 \longrightarrow 3 K _2 MnO _4+2 H _2 O$

(ii) $K _4 Fe(CN) _6+6 H _2 SO _4+6 H _2 O \longrightarrow$

$$ 2 K _2 SO _4+FeSO _4+3\left(NH _4\right) _2 SO _4+6 CO $$



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