1.

(A) +3 oxidation states is characteristic property of lanthanoids but cerium shows + 4 state also (R) Cerium acquire 4f^0 configuration after loosing one more eletron.

Answer»

Both (A) and (R) are TRUE and (R) is the CORRECT EXPLANATION of (A)
Both (A) and (R) are true and (R) is not the correct explanation of (A)
(A) is true but (R) is FALSE
Both (A) and (R) are false

Solution :Both (A) and (R) are true and (R) is the correct explanation of (A)


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