CMC Medical CMC-Medical Ludhiana Solved Paper-2015

  • question_answer
    The number of oxidation state of actinoids is more than that of lanthanoids because

    A)  acttinoids are more reactive than lanthanoids

    B)  size of actinoid is bigger than that of lanthanoid

    C)  5f orbitals extend farther from the nucleus than 4f orbital

    D)  Both (a) and (c)

    Correct Answer: C

    Solution :

                    Actinoids have more number of oxidation state because \[5f\text{-}\]orbitals extend farther from the nucleus than \[4f\text{-}\]orbital


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