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The common features among the species CN-, CO, NO+ and N2 are
- a)isoelectronic, paramagnetic, bond order three
- b)isoelectronic, diamagnetic, bond order three
- c)isoelectronic, paramagnetic, bond order two
- d)isoelectronic, diamagnetic, bond order two
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
The common features among the species CN-, CO, NO+ and N2 area)isoelec...
Thus, all these are isoelectronic. MO electronic configuration is
No electron unpaired - diamagnetic
Bonding electrons = 10
Anti-bonding electrons = 4
Thus, bond- order =
Bonding electrons = 10
Anti-bonding electrons = 4
Thus, bond- order =
Most Upvoted Answer
The common features among the species CN-, CO, NO+ and N2 area)isoelec...
Common Features among CN-, CO, NO, and N2
1. Isoelectronic
- All four species, CN-, CO, NO, and N2, have the same number of electrons.
- CN- has 10 valence electrons (5 from carbon and 5 from nitrogen), CO has 10 valence electrons (4 from carbon and 6 from oxygen), NO has 11 valence electrons (5 from nitrogen and 6 from oxygen), and N2 has 10 valence electrons (5 from each nitrogen atom).
- They are all isoelectronic with 10 valence electrons.
2. Diamagnetic
- Diamagnetic substances have all their electrons paired up and do not possess any unpaired electrons.
- CN-, CO, NO, and N2 all have all their electrons paired up and do not exhibit any unpaired electrons.
- Therefore, they are all diamagnetic in nature.
3. Bond Order Two
- Bond order is a measure of the stability of a covalent bond.
- It can be calculated using the formula: Bond Order = (Number of bonding electrons - Number of antibonding electrons) / 2.
- CN-, CO, NO, and N2 all have a bond order of two.
- CN- has a triple bond between carbon and nitrogen (C≡N), CO has a triple bond between carbon and oxygen (C≡O), NO has a double bond between nitrogen and oxygen (N=O), and N2 has a triple bond between the two nitrogen atoms (N≡N).
- In all cases, the number of bonding electrons is greater than the number of antibonding electrons, resulting in a bond order of two.
Conclusion
- The common features among CN-, CO, NO, and N2 are that they are isoelectronic, diamagnetic, and have a bond order of two.
- These similarities arise due to the similar number of valence electrons and the type of bonds present in these species.
1. Isoelectronic
- All four species, CN-, CO, NO, and N2, have the same number of electrons.
- CN- has 10 valence electrons (5 from carbon and 5 from nitrogen), CO has 10 valence electrons (4 from carbon and 6 from oxygen), NO has 11 valence electrons (5 from nitrogen and 6 from oxygen), and N2 has 10 valence electrons (5 from each nitrogen atom).
- They are all isoelectronic with 10 valence electrons.
2. Diamagnetic
- Diamagnetic substances have all their electrons paired up and do not possess any unpaired electrons.
- CN-, CO, NO, and N2 all have all their electrons paired up and do not exhibit any unpaired electrons.
- Therefore, they are all diamagnetic in nature.
3. Bond Order Two
- Bond order is a measure of the stability of a covalent bond.
- It can be calculated using the formula: Bond Order = (Number of bonding electrons - Number of antibonding electrons) / 2.
- CN-, CO, NO, and N2 all have a bond order of two.
- CN- has a triple bond between carbon and nitrogen (C≡N), CO has a triple bond between carbon and oxygen (C≡O), NO has a double bond between nitrogen and oxygen (N=O), and N2 has a triple bond between the two nitrogen atoms (N≡N).
- In all cases, the number of bonding electrons is greater than the number of antibonding electrons, resulting in a bond order of two.
Conclusion
- The common features among CN-, CO, NO, and N2 are that they are isoelectronic, diamagnetic, and have a bond order of two.
- These similarities arise due to the similar number of valence electrons and the type of bonds present in these species.
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The common features among the species CN-, CO, NO+ and N2 area)isoelec...
Option B is correct...
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The common features among the species CN-, CO, NO+ and N2 area)isoelectronic, paramagnetic, bond order threeb)isoelectronic, diamagnetic, bond order threec)isoelectronic, paramagnetic, bond order twod)isoelectronic, diamagnetic, bond order twoCorrect answer is option 'B'. Can you explain this answer?
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