1
Which of following Lanthanide element has +2 and +3 general oxidation state.
Answer:Eu
Answer:Eu
Answer:They show variable valencies
Answer:To oxidise ferrous ions into ferric ions in acidic medium as an oxidizing agent
Answer: Combined effect of hyadration energy and ionization energy
Answer:28
Answer: Lu3+ , < Eu3+ , < La3+ , < Y3+
Answer:Effective nuclear charge
Answer:f-Block
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