Advertisements
Advertisements
प्रश्न
Write four postulates of Werner's theory.
उत्तर
Postulates of Werner’s theory:
a. Two types of valencies are shown by most metallic elements:
- Primary valence or principal valence
- Secondary valence.
b. The tendency of every metal is to satisfy both primary and secondary valences.
c. The number of secondary valence shown by each metal is fixed.
d. The secondary valence is always directed towards fixed positions in space.
APPEARS IN
संबंधित प्रश्न
Explain Optical activity
Mohr’s Salt is -
(a) Ferrous ammonium sulphate
(b) Ferrous sulphate
(c) Ammonium sulphate
(d) Ferric sulphate
Explain the bonding in coordination compounds in terms of Werner’s postulates.
FeSO4 solution mixed with (NH4)2SO4 solution in 1 : 1 molar ratio gives the test of Fe2+ ion but CuSO4 solution mixed with aqueous ammonia in 1 : 4 molar ratio does not give the test of Cu2+ ion. Explain why?
How many ions are produced from the complex Co(NH3)6Cl2 in solution?
Explain optical activity of lactic acid
Write the postulates of Werner’s theory.
Write the formula and hybridization of the following compound:
tris(ethane-1, 2–diamine) cobalt(III) sulphate
According to Werner's theory of coordination compounds ______.
What is the secondary valency of cobalt in [Co(en2)Cl2]+?
Assertion (A): [Co(NH3)5SO4]Cl gives a white precipitate with silver nitrate solution.
Reason (R): The complex dissociates to give Cl− and \[\ce{SO^{2-}_4}\] ions.
