NEET2017Chemistry-Coordination Compounds
NEET 2017 Chemistry Complex Ions MCQ Question
Type: MCQ-conceptual-Medium-Class 12
HgCl₂ and I₂ both when dissolved in water containing I⁻ ions the pair of species formed is:
A
HgI₂, I₃⁻
B
HgI₄²⁻, I₃⁻
C
Hg₂I₂, I⁻
D
HgI₂, I₅
Correct Answer
Option B
Detailed Explanation
In the presence of excess I⁻ ions, HgCl₂ forms a complex ion HgI₄²⁻ and I₂ forms I₃⁻.
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