JEE Main202117 Mar 2021Morning ShiftChemistryd and f Block ElementsActual
Given below are two statements: Statement I: Potassium permanganate on heating at 573 K forms potassium manganate. Statement II: Both potassium permanganate and potassium manganate are tetrahedral and paramagnetic in nature. In the light of the above statements, choose the most appropriate answer from the options given below:
Options
- AStatement I is true but statement II is false
- BBoth statement I and statement II are true
- CStatement I is false but statement II is true
- DBoth statement I and statement II are false
Correct answer
A. Statement I is true but statement II is false
Step-by-step solution
2 KMnO 4 Potassium   permanganate ⟶ 573   K K 2 MnO 4 Potassium   manganate + MnO 2 + O 2 Statement-I is correct. Statement-II is incorrect.