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A magnetic moment of 1.73 B.M. will be s...

A magnetic moment of 1.73 B.M. will be shown by one among of the following

A

`TiCl_4`

B

`[CoCl_6]^(4-)`

C

`[Cu(NH_3)_4]^(2+)`

D

`[Ni(CN)_4]^(2-)`

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Magnetic moment of 5.92 B.M. is given by which of the following ion ?

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[Cr(H_2O)_6] Cl_3 (At. no. of Cr = 24) has a magnetic moment of 3.83 B.M. The correct distribution of 3d electrons in the chromium of the complex is :

In Delta ABC , which one is true among the following ?

If hydrogen atoms (in the ground state ) are passed through an homogeneous magnetic field, the beam is split into two parts. This interaction with the magnetic field shows that the atoms must have magnetic moment. However, the moment cannot be due to the orbital angular momentum since l=0. Hence one must assume existence of intrinsic angular momentum, which as the experiment shows, has only two permitted orientations. Spin of the electron produce angular momentum equal to S=sqrt(s(s+1))(h)/(2pi) where S=+(1)/(2) . Total spin of an atom = +(n)/(2) " or "-(n)/(2) where n is the number of unpaired electrons. The substance which contain species with unpaired electrons in their orbitals behave as paramagnetic substances. The paramagnetism is expressed in terms of magnetic moment. The magnetic moment of an atom mu_(s)sqrt(s(s+1))(eh)/(2pimc)=sqrt((n)/(2)((n)/(2)+1))(eh)/(2pimc)" "s=(n)/(2) impliesmu_(s)=sqrt(n(n+1)) B.M. 1. B.M. (Bohr magneton)= (eh)/(4pimc) If magnetic moment is zero the substance is diamagnetic. If an ion of _(25)Mn has a magnetic moment of 3.873 B.M. Then oxidation state of Mn in ion is :

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MODERN PUBLICATION-COORDINATION COMPOUNDS-EXERCISE
  1. Of the following complex ions, which is diamagnetic in nature ?

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  2. Which one of the following is an outer orbital complex and exhibits pa...

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  3. A magnetic moment of 1.73 B.M. will be shown by one among of the follo...

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  4. An excess of AgNO3 is added to 100mL of a 0.01 M solution of dichlorid...

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  5. Express 2263 in roman numbers.

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  6. Which of the following complexes is used to be as an anticancer agent ...

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  7. The name of complex [Fe(CN)6]^(3-) is

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  8. The hybridization involved in complex [Ni(CN)4]^(2-) is: (At No. Ni = ...

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  9. The sum of coordination number and oxidation number of the metal M in ...

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  10. Number of possible isomers for the complex [Co(en)2Cl2]Cl will be : (e...

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  11. Magnetic moment 2.84 B.M. is given by: (At. nos. Ni = 28, Ti = 22, Cr ...

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  12. Cobalt (III) chloride forms several octahedral complexes with ammonia....

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  13. Which of these statements about [Co(CN)6]^(3-) is true ?

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  14. Which of the following has longest C-O bond length? (Free C-O bond len...

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  15. Jahn-Teller effect is not observed in high spin complexes of

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  16. When one mole of each of the following complex salts is treated with e...

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  17. Duralumin alloy is a mixture of metals. Explain how?

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  18. Express 2265 in roman numbers.

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  19. Express 2266 in roman numbers.

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  20. Express 1226 in roman numbers.

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