AIPMT PRELIMS2010Chemistry-Periodic Table
AIPMT PRELIMS 2010 Chemistry Ionic Radii MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following pairs has the same size?
A
Zn²⁺, Hf⁴⁺
B
Fe²⁺, Ni²⁺
C
Zr⁴⁺, Ti⁴⁺
D
Zr⁴⁺, Hf⁴⁺
Correct Answer
Option D
Detailed Explanation
Zr⁴⁺ and Hf⁴⁺ have similar ionic radii due to lanthanoid contraction.
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