Which pair is correct? A. [Zn(OH2)6:paramagnetic B. [Co(NHJs]\": dial agnetic C.

Question

Which pair is correct? A. [Zn(OH2)6:paramagnetic B. [Co(NHJs]": dial agnetic C. [CoF diamagnetic D. [V(CH),]", diamagnetic Question 40. Which statement about [Cr(O CR)] is incorrect? A. The Cr-C B. The compound is diamagnetic C. The compound can interact with Lewis bases D. Each acetate ligand bridges the two Cr atoms r bond distance is approximately equal to twice the metallic radius of Cr II (10 x 2 points) (No details no credits). 1. A salt K,[MnF] has an erved magnetic moment of 4.9 uB. What are the oxidation moment o state of Mn and the value of n? 2. Write down the structures of the isomers for octahedral [CrCl2(OH2)) and octahedral ICoCl(en)]'?

Explanation / Answer

Ans 39 : B) [Co(NH3)6]3+ ; diamagnetic

The compound has 6 electrons in 3d , and NH3 is a strong field ligand which causes the pairing of electrons. Since there are no unpaired electrons in the compound , the compound becomes diamagnetic in nature.

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