Consider the following statements (I) Zr^(4+) and Hf^(4+) have almost – InterviewSolution

1.	Consider the following statements (I) Zr^(4+) and Hf^(4+) have almost same ionic radii (II) Lanthanoids liberate H_2 when treated with dilute acids. (III) The ionic radii of trivalent lanthanoids steadily increase with increase in atomic number. The correct statement(s) is/ are
Answer» I ,II I , III Only II I, II, III Answer :A

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