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Consider the following statements I `La(OH)_(3)` isleastbasic among hydroxides of lanthanides II. `Zx^(4+)` and `Hf^(4+` possess almost the same ionic radii III. `Ce^(4+)` can actas an oxidizing agent.A. I and IIB. II and IIIC. II onlyD. I and II |
Answer» `La(OH)_(3)` is most basic. Hence, (I) is wrong. (II) is correct due to lanthanoid contraction. (III) is correct because `Ce^(4+)` tends to change to stable `Cr^(3+)` | |