Write Structural formula of six-coordinated complex and describe the stability of K3Co(F)6 in terms of EAN rule.
Answers
Answer:
Correct option is
C
i, ii & iii only
EAN stands for Effective Atomic number.
It is given by formula:
EAN= Z-X+Y
where Z= Atomic number
X=numer of electrons loosed by central metal ion
Y=Number of electrons shared by ligands
EAN value of complexes
=26−2+12=36
=27−3+12=36
=28+8=36
=28−2+8=34 so its not stable as its EAN is not equal to 36.
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SIMILAR QUESTIONS
star-struck
Bonds present in K
4
[Fe(CN)
6
] are__________.
Medium
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>
Match the correct pairs of isomers with their examples.
A)Ionisation (a) Pt(NH
3
)
2
Cl
2
][Pt(NH
3
)
4
]
[PtCl
4
]
B) Linkage (b) [Cr(NH
3
)
6
][Co(CN)
6
] & [Co(NH
3
)
6
[Cr(CN)
6
]
C)Coordination (c) [Co(NH
3
)
5
(NO
2
)]Cl
2
& [Co(NH
3
)
5
(ONO)]Cl
2
D)Polymerisation (d) [Co(SO
4
)(NH
3
)
5
]Br & [Co(Br(NH
3
)
5
]SO
4
Hard
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Answer:
The EAN full form in chemistry is an effective atomic number. The effective atomic number is a very common term used in the coordination chemistry branch. The effective atomic number of chemistry can be represented as EAN chemistry in short. Effective atomic number theory was the first theory that explained the concept behind the complex compound formation. This theory was given by Sidgwick. Therefore, this theory is known as the Sidgwick rule