NEET 2024 Chemistry Magnetic Properties Assertion Reason Question
Given below are two statements:
Statement I: Both [Co(NH₃)₆]³⁺ and [CoF₆]³⁻ complexes are octahedral but differ in their magnetic behaviour.
Statement II: [Co(NH₃)₆]³⁺ is diamagnetic whereas [CoF₆]³⁻ is paramagnetic.
In the light of the above statements, choose the correct answer from the options given below:
Statement I is true but Statement II is false.
Statement I is false but Statement II is true.
Both Statement I and Statement II are true.
Both Statement I and Statement II are false.
Correct Answer
Detailed Explanation
Statement I is true as both complexes are octahedral. Statement II is true because [Co(NH₃)₆]³⁺ is low-spin and diamagnetic, while [CoF₆]³⁻ is high-spin and paramagnetic.
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