(a) Why do transition metals and their c...

(a) Why do transition metals and their compounds are found to be good catalysts? (b) The 5d series of transition metals have more frequent metal-metal bonding in their compounds than do the 3d and 4d metals. Explain. (c ) Why do transition metals form complexes? (d) Explain why `Cu^+` ion is not stable in aqueous solution. (e ) Why is europium (II) more stable than cerium (II)?

Promotional Banner

Promotional Banner

Topper's Solved these Questions

D AND F-BLOCK ELEMENTS
MODERN PUBLICATION|Exercise COMPETITION FILE (INTEGER TYPE QUESTION)|7 Videos
CHEMISTRY IN EVERYDAY LIFE
MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|13 Videos
ELECTROCHEMISTRY
MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|20 Videos

MODERN PUBLICATION-D AND F-BLOCK ELEMENTS-UNIT PRACTICE TEST

In alkaline medium, KMnO4 oxidises iodide ion to
Text Solution
|
The electronic configuration of gadolinium (At. No 64) is:
Text Solution
|
Identify the product and the colour when MnO(2) is fused with solid KO...
Text Solution
|
Assertion (A) Separation of Zr and Hf is difficult. Reason (R ) Bec...
Text Solution
|
Assertion: The purple colour of KMnO4 is due to the charge transfer tr...
Text Solution
|
The trivalent ion having size in lanthanide series is
Text Solution
|
The general electronic configuration of lanthanide is
Text Solution
|
Indicate the steps in the preparation of: (i). K2Cr2O7 from chromite...
Text Solution
|
What is meant by 'disproportionation'? Give two examples of disproport...
Text Solution
|
Complete the following reaction equations: (i) MnO4^(-) + Fe^(2+) ...
Text Solution
|
Explain the following: (a) Europium (II) is more stable than cerium (I...
Text Solution
|
(a) Why do transition metals and their compounds are found to be good ...
Text Solution
|