Qstnid -A-2-<span Id="math--1" Class="equation"> \( Zr( Z =40) \) And <Span Id="math--2" Class="equation"> \( Hf ( Z =72) \) Have Similar Atomic And Ionic Radii Because Of : - Previous Year Paper Year:2021 - Neet-xii-chemistry

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NEET-XII-Chemistry

Previous Year Paper year:2021

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Qstn# A-2 Prvs-Qstn Next-Qstn

#2
\( Zr( Z =40) \) and \( Hf ( Z =72) \) have similar atomic and ionic radii because of :
(A) belonging to same group
(B) diagonal relationship
(C) lanthanoid contraction
(D) having similar chemical properties
digAnsr: C
Ans : C