The correct order of the spin-only magnetic moment of metal ions in the following law-spin complexes,

\left [ V(CN)_{6} \right ]^{4-},\left [ Fe(CN)_{6} \right ]^{4-},\left [ Ru(NH_{3}) _{6}\right ]^{3+},and\left [ Cr\left ( NH_{3} \right )_{6} \right ]^{2+}is:
 

  • Option 1)

    Cr^{2+}>V^{2+}>Ru^{3+}>Fe^{2+}

  • Option 2)

    Cr^{2+}>Ru^{3+}>Fe^{2+}>V^{2+}

  • Option 3)

    V^{2+}>Cr^{2+}>Ru^{3+}>Fe^{2+}

     

  • Option 4)

    V^{2+}>Ru^{3+}>Cr^{2+}>Fe^{2+}

Answers (1)

                                  Configuration                No.of unpaired electron

    V(CN)_{6}^{4-}\; \; \; \; \; \; \; \; \; t2g^{3}eg^{o}\; \; \; \; \; \; \; \;\; \; \; \; \; \; 3

    [Cr(NH_{3})_{6}]^{2+}\; \; \; \; \; \; \; t2g^{4}eg^{o}\; \; \; \; \; \; \; \; \; \; 2 

   [Ru(NH_{3})_{6}]^{3+}\; \; \; \; \; \; t2g^{5}eg^{o}\; \; \; \; \; \; \; \; \; \; \; \; 1

   [Fe(CN)_{6}]^{4-}\; \; \; \; \; \; \; t2g^{6}eg^{o}\; \; \; \; \; \; \; \; \; \; \; \; 0

 

V^{2+}>Cr^{2+}>Ru^{3+}>Fe^{2+}

 


Option 1)

Cr^{2+}>V^{2+}>Ru^{3+}>Fe^{2+}

Option 2)

Cr^{2+}>Ru^{3+}>Fe^{2+}>V^{2+}

Option 3)

V^{2+}>Cr^{2+}>Ru^{3+}>Fe^{2+}

 

Option 4)

V^{2+}>Ru^{3+}>Cr^{2+}>Fe^{2+}

Preparation Products

JEE Main Rank Booster 2021

This course will help student to be better prepared and study in the right direction for JEE Main..

₹ 13999/- ₹ 9999/-
Buy Now
Knockout JEE Main April 2021 (Subscription)

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 4999/-
Buy Now
Knockout JEE Main April 2021

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 22999/- ₹ 14999/-
Buy Now
Knockout JEE Main April 2022

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 34999/- ₹ 24999/-
Buy Now
Knockout JEE Main January 2022

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 34999/- ₹ 24999/-
Buy Now
Exams
Articles
Questions