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InterviewSolution
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What is the common oxidation state shown by Lanthanoids? Mention any one consequence of Lanthanoid contraction. |
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Answer» Solution :`+3` is the common oxidation state shown by lanthannoids. CONSEQUENCE i) 4d and 5d SEREIS transaction elements have almost identical size/radii. ii) `Zr - 4F//M_(0) - W` occur together in NATURE i.e., Due to lanthanoid contraction the ATOMIC radii of `Zr" (160 pm)"` and `"HF (159 pm)"` is almost same so they occur together. Hence it is DIFFICULT to separate them. |
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