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.

• A
  Statement $I$ is true but statement $II$ is false
• B
  Both statement $I$ and statement $II$ are true
• C
  Statement $I$ is false but statement $II$ is true
• D
  Both statement $I$ and statement $II$ are false