Werner's Theory of Coordination Compounds
Werner's Theory of Coordination Compounds: Overview
This topic covers concepts, such as Werner's Coordination Theory, Support for Werner's Coordination Theory, Effective Atomic Number Rule, Primary Valency, Secondary Valency, Formulation of Cobalt (III) Chloride-Ammonia Complexes, etc.
Important Questions on Werner's Theory of Coordination Compounds
One mole of complex compound gives 3 mole of ions on dissolution in water. One mole of same complex reacts with two mole of solution to form two moles of AgCl (s). The structure of complex is

One mole of complex compound gives moles of ions on dissolution in water. One mole of the same complex reacts with two moles of solution to form two moles of (s). The structure of the complex is:

Which of the following is ot the limitation of Werner's theory:

Which of the following gives the maximum number of ions in aqueous solution?

Which among the following doesn't form a white precipitate with solution?

When mol is treated with excess of mol of are obtained. The formula of the complex is :

Which of the following obeys the rule?
(a) .
(b) .
(c) .
(d) .

According to Werner’s theory of valency, transition metals possess:

The effective atomic number of copper in is

Identify complex ion in which effective atomic number of the central metal ion is . (Given Atomic number of )

of iron in is

The IUPAC name of the complexis

Oxidation number of in is:

In cuprammine sulphate the coordination number of copper is?

The solutions of two compounds listed in Column-I when taken in molecular proportions give coordination compounds on evaporation. Match these compounds with their relative properties which is/are listed in Column-II.
Column-I | Column-II | ||
---|---|---|---|
A) | p) | Coordination number of central metal ion in six | |
B) | q) | Coordination number of central metal ion is four | |
C) | r) | Coordination number of central metal ion is two | |
D) | s) | Oxidation state of central metal ion is +2 | |
t) | Overall charge on complex ion is +2 |

For the given compounds and which of the following statement is correct?

What should be the value of X in according to EAN rule?

Among the given complex compounds EAN rule is not obeyed by

Among the following complexes, the complex which can be reduced easily is :

What will be the primary valency of cobalt in the complex , according to Werner’s theory?
