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Which of the following arrangement does not represent the correct order of the property stated against it?
(a) paramagnetic behaviour
(b) number of oxidation states
(c) stability in aqueous solution
(d) ionic size

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Important Questions on d and f Block Elements
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(At.nos.

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Assertion: For hydrogenation reactions, the catalytic activity increases from Group to Group metals with maximum activity shown by Group elements.
Reason: The reactants are most strongly adsorbed on group elements.

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(Atomic Number of )

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Catalyst | Process | ||
A. | i. | Wacker process | |
B. | ii. | Ziegler – Natta polymerisation | |
C. | iii. | Contact process` | |
D. | iv. | Deacon’s process |

