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Among the following, the correct statement is:
- a)CH is isolabal to Co(CO)3
- b)CH2 is isolabal to Ni(CO)2
- c)CH is isolabal to Fe(CO)4
- d)CH2 is isolabal to Mn(CO)4
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
Among the following, the correct statement is:a)CH is isolabal to Co(C...
Isolobal principle:
The isolobal principle states that two molecules are isolobal if they have the same number of valence electrons and the same distribution of electrons in their frontier orbitals.
Explanation:
a) CH is isolobal to Co(CO)3:
- CH has 4 valence electrons and one unpaired electron in the 2p orbital.
- Co(CO)3 has 18 valence electrons and three unpaired electrons in the 3d orbitals.
- Both CH and Co(CO)3 have the same number of valence electrons and the same distribution of electrons in their frontier orbitals.
- Therefore, CH is isolobal to Co(CO)3.
b) CH2 is isolobal to Ni(CO)2:
- CH2 has 8 valence electrons and two unpaired electrons in the 2p orbitals.
- Ni(CO)2 has 16 valence electrons and two unpaired electrons in the 3d orbitals.
- Although CH2 and Ni(CO)2 have the same number of valence electrons, they do not have the same distribution of electrons in their frontier orbitals.
- Therefore, CH2 is not isolobal to Ni(CO)2.
c) CH is isolobal to Fe(CO)4:
- CH has 4 valence electrons and one unpaired electron in the 2p orbital.
- Fe(CO)4 has 18 valence electrons and no unpaired electrons.
- Although CH and Fe(CO)4 have the same number of valence electrons, they do not have the same distribution of electrons in their frontier orbitals.
- Therefore, CH is not isolobal to Fe(CO)4.
d) CH2 is isolobal to Mn(CO)4:
- CH2 has 8 valence electrons and two unpaired electrons in the 2p orbitals.
- Mn(CO)4 has 20 valence electrons and no unpaired electrons.
- Although CH2 and Mn(CO)4 have the same number of valence electrons, they do not have the same distribution of electrons in their frontier orbitals.
- Therefore, CH2 is not isolobal to Mn(CO)4.
Therefore, the correct statement is option 'A': CH is isolobal to Co(CO)3.
The isolobal principle states that two molecules are isolobal if they have the same number of valence electrons and the same distribution of electrons in their frontier orbitals.
Explanation:
a) CH is isolobal to Co(CO)3:
- CH has 4 valence electrons and one unpaired electron in the 2p orbital.
- Co(CO)3 has 18 valence electrons and three unpaired electrons in the 3d orbitals.
- Both CH and Co(CO)3 have the same number of valence electrons and the same distribution of electrons in their frontier orbitals.
- Therefore, CH is isolobal to Co(CO)3.
b) CH2 is isolobal to Ni(CO)2:
- CH2 has 8 valence electrons and two unpaired electrons in the 2p orbitals.
- Ni(CO)2 has 16 valence electrons and two unpaired electrons in the 3d orbitals.
- Although CH2 and Ni(CO)2 have the same number of valence electrons, they do not have the same distribution of electrons in their frontier orbitals.
- Therefore, CH2 is not isolobal to Ni(CO)2.
c) CH is isolobal to Fe(CO)4:
- CH has 4 valence electrons and one unpaired electron in the 2p orbital.
- Fe(CO)4 has 18 valence electrons and no unpaired electrons.
- Although CH and Fe(CO)4 have the same number of valence electrons, they do not have the same distribution of electrons in their frontier orbitals.
- Therefore, CH is not isolobal to Fe(CO)4.
d) CH2 is isolobal to Mn(CO)4:
- CH2 has 8 valence electrons and two unpaired electrons in the 2p orbitals.
- Mn(CO)4 has 20 valence electrons and no unpaired electrons.
- Although CH2 and Mn(CO)4 have the same number of valence electrons, they do not have the same distribution of electrons in their frontier orbitals.
- Therefore, CH2 is not isolobal to Mn(CO)4.
Therefore, the correct statement is option 'A': CH is isolobal to Co(CO)3.
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Community Answer
Among the following, the correct statement is:a)CH is isolabal to Co(C...
For this case we should count total valance electron and electron deficiency
TVE deficiency
a.
CH 4+1=5 8-5 =3
Co(CO)3 9+6=15 18- 15 =3
b.
CH2 4+2=6 8-6=2
Ni(CO)2 10+4=14 18-14=4
c.
CH 5 3
Fe(CO)4 8+8=16 18-16=2
d.
CH2 6 2
Mn(CO)4 7+8=15 18-15=3
so as deficiency of CH and Co(CO)3 is same so it is isolabal
TVE deficiency
a.
CH 4+1=5 8-5 =3
Co(CO)3 9+6=15 18- 15 =3
b.
CH2 4+2=6 8-6=2
Ni(CO)2 10+4=14 18-14=4
c.
CH 5 3
Fe(CO)4 8+8=16 18-16=2
d.
CH2 6 2
Mn(CO)4 7+8=15 18-15=3
so as deficiency of CH and Co(CO)3 is same so it is isolabal
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Among the following, the correct statement is:a)CH is isolabal to Co(CO)3b)CH2 is isolabal to Ni(CO)2c)CH is isolabal to Fe(CO)4d)CH2 is isolabal to Mn(CO)4Correct answer is option 'A'. Can you explain this answer?
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