1.

Consider the followingstatementandidentifythe incorrect one. (i) Pu belongs tolanthanide series (ii)NDechibits+ 3 , +4 ,+2oxidationstates (III)Actinidecontractionis dueto imperfectshieldingof 4felectrons.

Answer»

onlyiii
only II
I and III
I , ii and iii

Answer :C


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