Assertion (A): \(Eu^{2+}\) behaves as a reducing agent 
Reason (R): +3 oxidation state of lanthanoids are more common 

1. Both assertion and reason are true and the reason is the correct explanation of the assertion
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion
3. Assertion is true but reason is false
4. Both assertion and reason are false

Subtopic:  f-Block Elements- Properties & Uses |
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Match the property given in Column I with the element given in Column II.

              Column I

             ( Property)

               Column II

               (Element)

A. Lanthanoid which shows + 4 oxidation state

1. Pm

B. Radioactive lanthanoid
 

2. Ce

C.  Lanthanoid which has 4f7 electronic configurations in +3 oxidation state

3. Lu

D. Lanthanoid which has 4f14 electronic configurations in +3 oxidation state

4. Gd

Codes

          A         B          C           D       

1.       2          4           1           3       

2.       1          2           3           4        

3.       2          1           4           3        

4.       4          1           3           2        

Subtopic:  f-Block Elements- Properties & Uses |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology