What is the oxidation state of the Aluminium ion in the Al2(SO4)3 salt?

Consider superoxide O2− and peroxide O22−. Which statement is correct regarding their IR activity and magnetism?

The correct order of O–O bond lengths in O2, O2+, O2-, and O22- is:

In the ozone (O3) molecule, the correct formal charges on oxygen atoms numbered 2 (double-bonded terminal O), 1 (central O) and 3 (single-bonded terminal O) respectively are:

Match List I with List II: List I: A. C2H4 B. C2H2 C. CH4 D. NH3 List II: I. 3σ bonds, 2π bonds II. 3σ bonds, one lone pair III. 4σ bonds IV. 5σ bonds, 1π bond Choose the correct answer from the options given below:

Which type of chemical bond is formed by the complete transfer of one or more electrons from one atom to another?

Why do elements participate in chemical combinations? (i) To gain more electrons (ii) To achieve inert gas electronic configuration (iii) To complete their octet (iv) To complete their inner shells Choose the correct option:

The energy required to completely separate one mole of a solid ionic compound into gaseous constituent ions is called:

According to Fajan's rules, which of the following compounds exhibits maximum covalent character?