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The geometry and magnetic behavior of th...

The geometry and magnetic behavior of the complex `[Ni(CO)_4]` are

A

square planar geometry and paramagnetic

B

tetrahedral geometry and diamagnetic

C

square planar geometry and diamagnetic

D

tetrahedral geometry and paramagnetic

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The correct Answer is:
B
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IUPAC name of the complex, Ni(CO)_4 is

The d-orbitals participating in hybridisation of metal atom may be from the n & (n-1) shell. This depends on the nature of metal and nature of ligand. The complexes involving the inner d-level (inner orbital complexes) results when the ligand is a powerful (or) strong ligand results in a diamagnetic (or) low spin complexes. A weak ligand usually results in the formation of outer orbital complex (or) high spin complex. Among the following sets, the one having the same geometry and same magnetic property for both complexes is

The magnetic behaviour of complexes K_4[Fe(CN)_6] and K_3[Fe(CN)_6] is

Give the geometrical shapes of the following complex entities [Ni(CO)_(4)]

Magnetic moment of the complex [Fe(CN)_(6)^(3+) is approximately

Valence bond theory successfully explains the magnetic behaviour of complexes. The substances which contains unpaired electrons are paramagnetic and paramagnetic character increases as the number of unpaired electrons increases. Magnetic moment of a complex can be determined experimentally and by using formula sqrt(n(n+2)) and we can determine the number of unpaired electrons in it. This information is important in writing electronic structure of complex which in turn also useful in deciding the geometry of complex. There are four complexes of Ni. Select the complex/es which will be attracted by magnetic field. underset((I))([Ni(CN)_(4)]^(2-))" "underset((II))([NiCl_(4)]^(2-))" "underset((II))(Ni(CO)_(4))" "underset((IV))([Ni(H_(2)O)_(6)]^(2+))

Valence bond theory successfully explains the magnetic behaviour of complexes. The substances which contains unpaired electrons are paramagnetic and paramagnetic character increases as the number of unpaired electrons increases. Magnetic moment of a complex can be determined experimentally and by using formula sqrt(n(n+2)) and we can determine the number of unpaired electrons in it. This information is important in writing electronic structure of complex which in turn also useful in deciding the geometry of complex. The magnetic moment of complexes given below are in the order : {:(Ni(CO)_(4),[Mn(CN)_(6)]),("(I)","(II)"),([Cr(NH_(3))_(6)]^(3+),[CoF_(6)]^(3+)),("(I)","(II)"):}

Valence bond theory successfully explains the magnetic behaviour of complexes. The substances which contains unpaired electrons are paramagnetic and paramagnetic character increases as the number of unpaired electrons increases. Magnetic moment of a complex can be determined experimentally and by using formula sqrt(n(n+2)) and we can determine the number of unpaired electrons in it. This information is important in writing electronic structure of complex which in turn also useful in deciding the geometry of complex. Which of the following are diamagnetic ? 1) K_(4)[Fe(CN)_(6)] 2) K_(3)[Cr(CN)_(6)] 3) K_(3)[Co(CN)_(6)] 4) K_(2)[Ni(CN)_(4)]

The magnetic behavior is different from others in

The magnetic behavior is different from others in

AAKASH SERIES-COMPLEX COMPOUNDS -Objective Exercise-3 (PREVIOUS NEET/AIPMT)
  1. Low spin complex of d^6- cation in an octahedral field willhave the fo...

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  2. A magnetic moment of 1.73 B.M. will be shown by a complex among the fo...

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  3. An excess of AgNO3 is added to 100 mL of a 0.01 M solution of dichloro...

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  4. Among the following complexes the one which shows zero crystal field s...

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  5. Which of the following complexes is used as an anti-cancer agent ?

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

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

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

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  9. The hybridization involved in the complex [Ni(CN)4]^(2-) is (At. No. ...

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  10. The co-ordination number and the oxidation state of the element 'M' in...

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  11. Number of possible isomers for the complex [co(en)3Cl3]Cl will be : (e...

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  12. Which of the following has longest C - O bond length ? (Free C - O bon...

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

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  14. Pick out the correct statement with respect to [Mn(CN)6]^(3-)

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  15. The correct order of the stiochiometers of AgCl formed when AgNO3 in e...

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  16. An example of a sigma bonded organometallic compounds is

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  17. Correct increasing order for the wavelength of absorption in the visib...

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  18. Iron carbonyl, Fe(CO)5 is

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  19. The type of isomerism shown by the complex [CoCl2(en)2] is

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  20. The geometry and magnetic behavior of the complex [Ni(CO)4] are

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