STANDARDChemistry-Coordination Compounds
STANDARD Chemistry Structure of Polyatomic Ions MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Identify the correct structure of dichromate ion.
A
(1)
B
(2)
C
(3)
D
(4)
Correct Answer
Option B
Detailed Explanation
The dichromate ion, Cr₂O₇²⁻, has a structure where two tetrahedral CrO₄ units share one corner. This results in a structure with two bridging oxygen atoms and four terminal oxygen atoms.
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