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Q.

Statement I: Lanthanoid element with highest melting point is Europium

Statement II : Actionoid element which shows “+3” oxidation state is Thorium

 

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a

Both statements I and II are incorrect
 

b

Statement - I is incorrect and statement - II is correct
 

c

Both statements I and II are correct
 

d

Statement - I is correct and statement - II is incorrect
 

answer is D.

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Detailed Solution

I) Samerium has the highest mp among lanthanoids

II) Thorium shows only “+4” oxidation state in its compounds

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