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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Amongst the following ions, which one has the highest magnetic moment value?

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प्रश्न

Amongst the following ions, which one has the highest magnetic moment value?

पर्याय

  • [Cr(H2O)6]3+

  • [Fe(H2O)6]2+

  • [Zn(H2O)6]2+

MCQ
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उत्तर

[Fe(H2O)6]2+

Explanation:

[Fe(H2O)6]2+ has the highest magnetic moment because Cr3+ has 3 unpaired electrons, whereas Fe2+ has four unpaired electrons and Zn2+ has 0 unpaired electrons.

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पाठ 5: Coordinate Compounds - Exercises [पृष्ठ १४०]

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एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
पाठ 5 Coordinate Compounds
Exercises | Q 5.29 | पृष्ठ १४०
नूतन Chemistry [English] Class 12 ISC
पाठ 5 Coordination Compounds
'NCERT TEXT-BOOK' Exercises | Q 9.29 | पृष्ठ ५६०

संबंधित प्रश्‍न

For the complex [Fe(H2O)6]+3, write the hybridisation, magnetic character and spin of the complex. (At, number : Fe = 26)


Write the hybridization and magnetic behaviour of the complex [Ni(CO)4].

(At.no. of Ni = 28)


Write the hybridization and shape of the following complexe : [CoF6]3–

(Atomic number : Co = 27, Ni = 28)


Write the hybridization and shape of the following complexe : [Ni(CN)4]2–

(Atomic number : Co = 27, Ni = 28)


[NiCl4]2− is paramagnetic while [Ni(CO)4] is diamagnetic though both are tetrahedral. Why?


[Fe(H2O)6]3+ is strongly paramagnetic whereas [Fe(CN)6]3− is weakly paramagnetic. Explain.


Explain [Co(NH3)6]3+ is an inner orbital complex, whereas [Ni(NH3)6]2+ is an outer orbital complex.

[At. No.: Co = 27, Ni = 28]


Write the hybridisation and magnetic character of [Co(C2O4)3]3–.

(At. no. of Co = 27)


Why is [NiCl4]2− paramagnetic while [Ni(CN)4]2− is diamagnetic? (Atomic number of Ni = 28)


Write the hybridization type and magnetic behaviour of the complex [Ni(CN)4]2−. (Atomic number of Ni = 28)

 

 

Write the hybridization and magnetic character of the following complexes:
[Fe(H2O)6]2+
(Atomic no. of Fe = 26)


Which of the following options are correct for \[\ce{[Fe(CN)6]^{3-}}\] complex?

(i) d2sp3 hybridisation

(ii) sp3d2 hybridisation

(iii) paramagnetic

(iv) diamagnetic


Explain why \[\ce{[Fe(H2O)6]^{3+}}\] has magnetic moment value of 5.92 BM whereas \[\ce{[Fe(CN)6]^{3-}}\] – has a value of only 1.74 BM.


Assertion: \[\ce{[Fe(CN)6]^{3-}}\] ion shows magnetic moment corresponding to two unpaired electrons.

Reason: Because it has d2sp3 type hybridisation.


The correct order of magnetic moment (spin only value in B.m.) is:


Low oxidation state of metals in their complexes are common when ligands ______.


Explain [Fe(CN)6]3− is an inner orbital complex, whereas [FeF6]3− is an outer orbital complex.

[Atomic number: Fe = 26]


Given below are two statements:

Statement I: Ferromagnetism is considered as an extreme form of paramagnetism.

Statement II: The number of unpaired electrons in a Cr2+ ion (Z = 24) is the same as that of a Nd3+ ion (Z = 60).

In the light of the above statements, choose the correct answer from the options given below:


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