Write the names and structures of the monomers of the following polymers:

(i) Glyptal

(ii) Teflon

(iii) Nylon-6

Examine the given defective crystal:

Answer the following questions:

(i) Is the above defect stoichiometric or non-stoichiometric?

(ii) Write the term used for this type of defect.

(iii) Why do silver halides show this type of defect?

Predict the products of the following reactions:

(i) MnO is basic whereas Mn₂O₇ is acidic in nature. Why?

(ii) Transition metals form alloys. Why?

(iii) Complete the following equation:

2 MnO₂ + 4 KOH + O₂→

(i) What type of isomerism is shown by the complex [Ag(NH₃)₂][Ag(CN)₂]?

(ii) On the basis of crystal field theory, write the electronic configuration for d⁴ ion if Δ_O<P.

(iii) Write the hybridization and shape of [Ni(CN)₄]^2-. (Atomic number of Ni = 28)