Inorganic Chemistry Answers

A patient took some tablets containing magnesium oxide to relieve his gastric pain, which was caused by excess hydrochloric acid. Each tablet contains 3.0g of magnesium oxide. How many tablets should he take to relieve the pain?

What is the correct order of hydrolysis and why?
(a) NaCl < MgCl2 < AlCl3 < SiCl4 < PCl5
(b) CCl4 < SiCl4 < GeCl4 < SnCl4 < PbCl4
(c) SF6 < SeF6 < TeF6
(d) Both (a) and (c)

What kind of metals are extracted by electrometallurgy? Give an example.

What is YAG and what are its uses?

What gives rise to the angular momentum of an atom? Give reason why the spin angular momentum becomes zero in certain cases.

In the later actinides, why does the +3 state become predominent?

What would be the calculated magnetic moment of [Ni(H 2 O) 6 ] 2+ ?

Why does the ionisation of two or more electrons from an atom of a transition
element take place with the removal of s electrons in preference to the d electrons?

What is the reason for the configurations [Ar]3d 5 4s 1 & [Ar]3d 10 4s 1 ?

There is an unequal number of elements in the periods in the Periodic Table.
Explain why.