Question

What is Hybridisation of Iodine if iodine has a extra electron in its valance cell..

Answer 1

Since Iodine (I) is below Period 3 on the periodic table it can hold more than 8 electrons. In the Lewis structure for ICl4- the Iodine atom has 12 valence electrons. Also note that you should put the ICl4- Lewis structure in brackets with as 1- on the outside to show that it is an ion with a negative one charge