Consider the following statements: P (i) \( \mathrm{La}(\mathrm{OH}...

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Consider the following statements:
P
(i) \( \mathrm{La}(\mathrm{OH})_{3} \) is the least basic among hydroxides
W of lanthanides.
(ii) \( \mathrm{Zr}^{4+} \) and \( \mathrm{Hf}^{4+} \) posses almost the same ionic radii.
(iii) \( \mathrm{Ce}^{4+} \) can act as an oxidizing agent.
Which of the above is/are true?
(1) (i) and (iii)
(2) (ii) and (iii)
(3) (ii) only
(4) (i) and (ii)
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