NEETChemistryd and f Block Elements
Given below are two statements : Statement (I) : Fusion of ( MnO ₂ ) with ( KOH ) and an oxidising agent gives dark green ( K ₂ MnO ₄ ). Statement (II) : Manganate ion on electrolytic oxidation in alkaline medium gives permanganate ion. In the light of the above statements, choose the correct answer from the options given below :
Options
- AStatement I is true but Statement II is false
- BBoth Statement I and Statement II are false
- CStatement I is false but Statement II is true
- DBoth Statement I and Statement II are true
Correct answer
D. Both Statement I and Statement II are true
Step-by-step solution
MnO ₂+4 KOH + O ₂ fused 2 ~K ₂ MnO ₄+2 H ₂ O Dark green Electrolytic oxidation in alkaline medium : At anode : MnO ₄²⁻ MnO ₄⁻+ e ⁻