Product ''A'' in the above chemical reaction is :

Which of the following compound CANNOT act as a Lewis base?

Given below are two statements :

Statement I : Potassium permanganate on heating at 573K 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 :

Mesityl oxide is a common name of :