Question:
Among [Co(CN)4]4−, [Co(CO)3(NO)], XeF4, [PCl4 ]+, [PdCl4 ]2− , [ICl4 ]− , [Cu(CN)4]3− and P4 the total number of species with tetrahedral geometry is _____.
Among [Co(CN)4]4−, [Co(CO)3(NO)], XeF4, [PCl4 ]+, [PdCl4 ]2− , [ICl4 ]− , [Cu(CN)4]3− and P4 the total number of species with tetrahedral geometry is _____.
Updated On: Mar 9, 2025
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Correct Answer: 3
Solution and Explanation
Analysis of Tetrahedral Geometry in Compounds
Step 1: Analyze Each Compound to Identify Tetrahedral Geometry
- [Co(CN)₄]⁴⁻: CN is a strong ligand. Due to pairing, it undergoes sp³ hybridization, forming a tetrahedral structure.
- [Co(CO)₃(NO)]: This forms a trigonal planar geometry due to the coordination environment.
- XeF₄: Square planar geometry, not tetrahedral.
- [PCl₄]⁺: Tetrahedral geometry due to sp³ hybridization.
- [PdCl₄]²⁻: Square planar geometry.
- [ICl₄]⁻: Square planar geometry.
- [Cu(CN)₄]³⁻: CN being a strong ligand leads to sp³ hybridization, hence tetrahedral.
- P₄: Tetrahedral geometry due to its molecular structure.
Step 2: Count the Species with Tetrahedral Geometry
Tetrahedral species: [Co(CN)₄]⁴⁻, [PCl₄]⁺, [Cu(CN)₄]³⁻, and P₄.
Step 3: Final Answer
The total number of tetrahedral species is 3.
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