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Q.

Statement I: Chemistry of Lanthanoids is more complicated than Actinoids.
Statement II : All Lanthanoid elements are radioactive & man made.

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An Intiative by Sri Chaitanya

a

Statement I and Statement II are false.

b

Statement I is ture and Statement II is false.

c

Statement I is false and Statement II ture.

d

Statement I and Statement II are ture.

answer is D.

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Detailed Solution

i) Chemistry of lanthanoids is not complicated but chemistry of actinoids is complicated because of variable oxidation states exhibited by actinoids.
ii) Only Pm(Z=61) is the synthetic lanthanoid.

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