Ethylenediamine is an example of a _____ ligand. (a) tridentate (b) hexadentate

Question

Ethylenediamine is an example of a _____ ligand. (a) tridentate (b) hexadentate (c) bidentate (d) pentadentate (e) hydrocarbon EDTA is an example of a ____ ligand. (a) tridentate (b) hexadentate (c) precipitation. (d) chelation. (e) neutralization. The interaction of a metal ion with a ligand having multiple atoms able to form coordinate covalent bonds is called ____ (a) coordinating. (b) clawing. (c) precipitation. (d) chelation. (e) neutralization. When the five 3d orbitals on a metal ion experience an octahedral field in a complex, they split into _____ energy levels. (a) two (b) three (c) four (d) five (e) six

Explanation / Answer

Solution:

14) Ethylenediamine(two ammonia molecules are linked with ethylene) is example of bidenatate ligand. answer option (c)

15) The compounds which have the ability to bind to the central metal atom more than once and are known as polydentate,hexa- means six and the ligand attaches six time, hence EDTA is a hexadentate ligand. Answer option (b)

16) Interaction of metal ion with ligand having multiple atoms able to form coordinate covalent bonds are called coordinating to the atoms.Tinteraction with ligands form coordinated complex. Answer option (a).

17) When the five 3d orbitals on a metal ion experience an octahedral field in a complex,they split according to the energy level. 1)3 orbitals of low energy dxy,dxz and dyz 2) 2 orbitals of high energy dz2 ,dx2 -y2

Octahedral energy:

Energy (upwards) is splited into 1)dxy,dxz

2)dz2 ,dx2 -y2

Answer option (a) and (b)

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