Benzene is a very stable molecule. This stability is due to the delocalization of π electrons whereas no such delocalization of π electrons is possible in ethene. In ethene, the π electronic cloud is present above and below the plane of atoms and is more exposed to electrophile attack.
We measure the voltage between two points but why? what is the reason behind it? If you don’t know then don’t worry because today we are doing to discuss that Why Voltages Are Measured Between Two Points?
kids under 2-12years of age should never be given personal portable devices such as smartphones, tablets etc. They can use smartphones of their parents for playing games or something else but within some limits as described below.