(i) Explain Kohlrausch's law. Write its applications.
Explain Lanthanide contraction with reason.
Zn\(^{2+}\) salts are white while Cu\(^{2+}\) salts are blue in colour. Why?
Calculate the e.m.f. of the following cell: \[ \text{Cu(s)} | \text{Cu}^{2+} (1M) || \text{Ag}^{+} (0.01M) | \text{Ag(s)} \] Given: \[ E^0_{\text{Cu}^{2+}/\text{Cu}} = +0.34V, \quad E^0_{\text{Ag}^{+}/\text{Ag}} = +0.80V \]
Explain ionisation isomerism and coordination isomerism in coordination compounds with examples.
Write the main sources and the diseases caused by the deficiency of vitamins A and C.
Explain by giving the example of chlorobenzene that chlorine is ortho- and para-directing in electrophilic aromatic substitution reactions.
Write I.U.P.A.C. names of the following coordination compounds:
What is Tollen's reagent? Write the chemical equation of the reaction of aldehyde with Tollen's reagent.
Discuss Werner's theory of coordination compounds.