hamburger menu
All Coursesall course arrow
adda247
reward-icon
adda247
    arrow
    arrow
    arrow
    Identify the incorrect statement from the following :
    Question

    Identify the incorrect statement from the following :

    A.

    The overall decrease in atomic and ionic radii from lanthanum to lutetium is called lanthanoid contraction

    B.

    Zirconium and Hafnium have identical radii of 160pm and 159pm, respectively as a consequence of lanthanoid contraction

    C.

    Lanthanoids reveal only +3 oxidation state

    D.

    The lanthanoid ions other than the f° type and the f¹⁴ type are all paramagnetic

    Correct option is C

    Ans.(c)
    Lanthanoids can also show +2 or +4 oxidation states in solution or in solid compounds.

    Most common oxidation state of Lanthanoids is +3

    Free Tests

    Free
    Must Attempt

    NBTS 2024 Full Syllabus 01

    languageIcon English
    • pdpQsnIcon200 Questions
    • pdpsheetsIcon720 Marks
    • timerIcon200 Mins
    languageIcon English
    Free
    Must Attempt

    Samarthan Test Series : Complete Class 11th + 12th Syllabus Full Syllabus 01

    languageIcon English
    • pdpQsnIcon200 Questions
    • pdpsheetsIcon720 Marks
    • timerIcon200 Mins
    languageIcon English