(A) : The most common oxidation state of lanthanides is +3. (R): Lant – InterviewSolution

1.	(A) : The most common oxidation state of lanthanides is +3. (R): Lanthanides have three electrons in their outermost shell.
Answer» Both A & R are true, R is the correct EXPLANATION of A Both A & R are true, R is not correct explanation of A A is true, R is FALSE A is false, R is true Answer :C

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