Advertisements
Advertisements
Question
Using valence bond theory, explain the following in relation to the complexes given below:
\[\ce{[FeCl6]^{4-}}\]
(i) Type of hybridisation.
(ii) Inner or outer orbital complex.
(iii) Magnetic behaviour.
(iv) Spin only magnetic moment value.
Advertisements
Solution
\[\ce{[FeCl6]^{4-}}\]:
Fe2+ = 3d6 
(i) Hybridisation – sp3d2
(ii) Outer orbital complex
(iii) Paramagnetic
(iv) Magnetic moment = `sqrt(4(4 + 2))` = 4.9 B.M
APPEARS IN
RELATED QUESTIONS
On the basis of valence bond theory explain the nature of bonding in [CoF6]3 ion.
Discuss the nature of bonding in the following coordination entity on the basis of valence bond theory:
[CoF6]3−
Write the hybridisation and number of unpaired electrons in the complex `[CoF_6]^(3-)`. (Atomic No. of Co = 27)
Using valence bond theory, explain the following in relation to the complexes given below:
\[\ce{[Mn(CN)6]^{3-}}\]
(i) Type of hybridisation.
(ii) Inner or outer orbital complex.
(iii) Magnetic behaviour.
(iv) Spin only magnetic moment value.
Using valence bond theory, explain the following in relation to the complexes given below:
\[\ce{[Cr(H2O)6]^{3+}}\]
(i) Type of hybridisation.
(ii) Inner or outer orbital complex.
(iii) Magnetic behaviour.
(iv) Spin only magnetic moment value.
Write the hybridization and shape of the following complexes:
[Ni(CN)4]2−
If orbital quantum number (l) has values 0, 1, 2 and 3, deduce the corresponding value of principal quantum number, n.
Which of the statement given below is incorrect about H2O2?
As the s-character of hybridised orbital increases, the bond angle
Which of the following methods is used for measuring bond length?
What is the no. of possible isomers for the octahedral complex [Co(NH3)2(C2O4)2]?
Valence bond theory is based on the assumption that the bonds formed between the metal ions and ligands are ______
Using valence bond theory, predict the hybridization and magnetic character of the following:
[CoF6]3– [Atomic number of Co = 27]
The magnetic moment of [NiCl4]2− is ______.
[Atomic number: Ni = 28]
During chemistry class, a teacher wrote \[\ce{[Ni(CN)4]^2-}\] as a coordination complex ion on the board. The students were asked to find out the magnetic behaviour and shape of the complex. Pari, a student, wrote the answer paramagnetic and tetrahedral whereas another student Suhail wrote diamagnetic and square planer.
Evaluate Pari’s and Suhail’s responses.
The geometry and magnetic behaviour of the complex [Ni(CO)4] are ______.
