Match the followings aspects with the respective metal.
Column I (Aspects) | Column II (Metal) | ||
A. | The metal which reveals a maximum number of oxidation states | 1. | Scandium |
B. | The metal although placed in 3d block is considered not as a transition element. | 2. | Copper |
C. | The metal which does not exhibit variable oxidation states | 3. | Manganese |
D. | The metal which in +1oxidation state in aqueous solution undergoes disproportionation | 4. | Zinc |
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Text Solution
Verified by ExpertsB
Mn shown six oxidation states in its compounds,
viz, 
and 
(3)
Zn is not considered as transition element like
Cd and Hg because of fully-filled
( 
-configuration) 
Sc does not exhibit variable oxidation states.
Only +3 state is shown by Sc in its compounds 
(1)
shows disproportionaton in aqueous solution as,
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