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QJEEM04Chab64: JEE Main 2004 Chemistry - Class 12 JEEM04Chab64 Solution: The correct order of magnetic moments (spin only values in…

The correct order of magnetic moments (spin only values in B.M.) among is :
(Atomic numbers: Mn = 25; Fe = 26, Co =27)

Multiple Choice Options

  • A [MnCl4]2- > [CoCl4]-2 > [Fe(CN)6]-4
  • B [Fe(CN)6]-4 > [CoCl4]2- > [MnCl4]2-
  • C [Fe(CN)6]4- > [MnCl4]2- > [CoCl4]2-
  • D [MnCl4]2- > [Fe(CN)6]4- > [CoCl4]2-

Step-by-Step Verified Solution

AIEEE 2004 Chemistry - Coordination Compounds Question 283 English Explanation

NOTE : The greater the number of unpaired electrons, greater the magnitude of magnetic moment. Hence the correct order will be </mo></mrow><mrow data-mjx-texclass="ORD"><msup><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN">[</mo><mrow data-mjx-texclass="ORD"><mi>M</mi><mi>n</mi><mi>C</mi><mrow data-mjx-texclass="ORD"><msub><mi>l</mi><mn>4</mn></msub></mrow></mrow><mo data-mjx-texclass="CLOSE">]</mo></mrow><mrow data-mjx-texclass="ORD"><mo>−</mo><mo>−</mo></mrow></msup></mrow><mo>&gt;</mo><mrow data-mjx-texclass="ORD"><msup><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN">[</mo><mrow data-mjx-texclass="ORD"><mi>C</mi><mi>o</mi><mi>C</mi><mrow data-mjx-texclass="ORD"><msub><mi>l</mi><mn>4</mn></msub></mrow></mrow><mo data-mjx-texclass="CLOSE">]</mo></mrow><mrow data-mjx-texclass="ORD"><mo>−</mo><mo>−</mo></mrow></msup></mrow><mo>&gt;</mo><mrow data-mjx-texclass="ORD"><msup><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN">[</mo><mrow data-mjx-texclass="ORD"><mi>F</mi><mi>e</mi><mrow data-mjx-texclass="ORD"><msub><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN">(</mo><mrow data-mjx-texclass="ORD"><mi>C</mi><mi>N</mi></mrow><mo data-mjx-texclass="CLOSE">)</mo></mrow></mrow><mn>6</mn></msub></mrow></mrow><mo data-mjx-texclass="CLOSE">]</mo></mrow><mrow data-mjx-texclass="ORD"><mn>4</mn><mo>−</mo></mrow></msup></mrow></math></mjx-assistive-mml></mjx-container></mjx-assistive-mml></mjx-container>

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