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Get Answers to all your Questions
Which one of the followng statements related to lanthanons is incorrect?
- Option 1)
Europium shows +2 oxidation state.
- Option 2)
The basicity decreases as the ionic radius decreases from Pr to Lu.
- Option 3)
All the lanthanons are much more reactive than aluminium.
- Option 4)
Ce(+4) solutions are widely used as oxidizing agent in volumetric analysis
Answers (1)
As we discussed in the concept
Reactivity of lanthanons matches with alkaline metals specially barium due to being the number of same period
Option 1)
Europium shows +2 oxidation state.
Option is incorrect
Option 2)
The basicity decreases as the ionic radius decreases from Pr to Lu.
Option is incorrect
Option 3)
All the lanthanons are much more reactive than aluminium.
Option is correct
Option 4)
Ce(+4) solutions are widely used as oxidizing agent in volumetric analysis
Option is incorrect
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