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CUET

Q36. Which of the following is not correct? A. La(OH)3 is less basic than Lu(OH)3 B. In Lanthanoid series, ionic radius of M³⁺ion decreases from La to Lu. C. La is an element of transition series rather than a Lanthanoid series. D. Atomic radii of Zr and Hf are the same because of Lanthanoid contraction. Choose the correct answer from the options given below: