Comparision of Valence Bond Theory and Molecular Orbital Theory
« Previous Topic: Comparision between Ionic and Covalent Bond Next Topic: Coordinate Bond or Dative Bond »
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313760 Assertion :
The bond order of helium is zero.
Reason :
The number of electrons in bonding molecular orbital and antibonding molecular orbital is equal.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313761 Which of the following has the highest bond order?

1 \({{\rm{N}}_{\rm{2}}}\)
2 \({{\rm{O}}_{\rm{2}}}\)
3 \({\rm{H}}{{\rm{e}}_{\rm{2}}}\)
4 \({{\rm{H}}_{\rm{2}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313762 How many of the following are paramagnetic?
\({{\rm{C}}_{\rm{2}}},\;{{\rm{B}}_{\rm{2}}},{\rm{O}}_2^{ - 2},{\rm{BN}},{\rm{Cl}}_2^ + \) and \({\rm{N}}{{\rm{O}}^ + }.\)

1 4
2 2
3 3
4 0
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313763 According to MO theory, the bond orders for \(\mathrm{O}_2^{2-}, \mathrm{CO}\) and \(\mathrm{NO}^{+}\)respectively, are

1 2, 3 and 3
2 1, 3 and 3
3 1, 2 and 3
4 1,3 and 2
JEE - 2023
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313764 A pair of isoelectronic species having bond order of one is :

1 \({\mathrm{\mathrm{N}_{2}, \mathrm{CO}}}\)
2 \({\mathrm{\mathrm{N}_{2}, \mathrm{NO}^{+}}}\)
3 \({\mathrm{\mathrm{O}_{2}^{2-}, \mathrm{F}_{2}}}\)
4 \({\mathrm{\mathrm{CO}, \mathrm{NO}^{-}}}\)
KCET - 2024
NEET DIGITAL LIBRARY
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313760 Assertion :
The bond order of helium is zero.
Reason :
The number of electrons in bonding molecular orbital and antibonding molecular orbital is equal.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313761 Which of the following has the highest bond order?

1 \({{\rm{N}}_{\rm{2}}}\)
2 \({{\rm{O}}_{\rm{2}}}\)
3 \({\rm{H}}{{\rm{e}}_{\rm{2}}}\)
4 \({{\rm{H}}_{\rm{2}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313762 How many of the following are paramagnetic?
\({{\rm{C}}_{\rm{2}}},\;{{\rm{B}}_{\rm{2}}},{\rm{O}}_2^{ - 2},{\rm{BN}},{\rm{Cl}}_2^ + \) and \({\rm{N}}{{\rm{O}}^ + }.\)

1 4
2 2
3 3
4 0
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313763 According to MO theory, the bond orders for \(\mathrm{O}_2^{2-}, \mathrm{CO}\) and \(\mathrm{NO}^{+}\)respectively, are

1 2, 3 and 3
2 1, 3 and 3
3 1, 2 and 3
4 1,3 and 2
JEE - 2023
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313764 A pair of isoelectronic species having bond order of one is :

1 \({\mathrm{\mathrm{N}_{2}, \mathrm{CO}}}\)
2 \({\mathrm{\mathrm{N}_{2}, \mathrm{NO}^{+}}}\)
3 \({\mathrm{\mathrm{O}_{2}^{2-}, \mathrm{F}_{2}}}\)
4 \({\mathrm{\mathrm{CO}, \mathrm{NO}^{-}}}\)
KCET - 2024
Join With Us for More Updates
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313760 Assertion :
The bond order of helium is zero.
Reason :
The number of electrons in bonding molecular orbital and antibonding molecular orbital is equal.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313761 Which of the following has the highest bond order?

1 \({{\rm{N}}_{\rm{2}}}\)
2 \({{\rm{O}}_{\rm{2}}}\)
3 \({\rm{H}}{{\rm{e}}_{\rm{2}}}\)
4 \({{\rm{H}}_{\rm{2}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313762 How many of the following are paramagnetic?
\({{\rm{C}}_{\rm{2}}},\;{{\rm{B}}_{\rm{2}}},{\rm{O}}_2^{ - 2},{\rm{BN}},{\rm{Cl}}_2^ + \) and \({\rm{N}}{{\rm{O}}^ + }.\)

1 4
2 2
3 3
4 0
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313763 According to MO theory, the bond orders for \(\mathrm{O}_2^{2-}, \mathrm{CO}\) and \(\mathrm{NO}^{+}\)respectively, are

1 2, 3 and 3
2 1, 3 and 3
3 1, 2 and 3
4 1,3 and 2
JEE - 2023
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313764 A pair of isoelectronic species having bond order of one is :

1 \({\mathrm{\mathrm{N}_{2}, \mathrm{CO}}}\)
2 \({\mathrm{\mathrm{N}_{2}, \mathrm{NO}^{+}}}\)
3 \({\mathrm{\mathrm{O}_{2}^{2-}, \mathrm{F}_{2}}}\)
4 \({\mathrm{\mathrm{CO}, \mathrm{NO}^{-}}}\)
KCET - 2024
For More Updates join with Us
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313760 Assertion :
The bond order of helium is zero.
Reason :
The number of electrons in bonding molecular orbital and antibonding molecular orbital is equal.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313761 Which of the following has the highest bond order?

1 \({{\rm{N}}_{\rm{2}}}\)
2 \({{\rm{O}}_{\rm{2}}}\)
3 \({\rm{H}}{{\rm{e}}_{\rm{2}}}\)
4 \({{\rm{H}}_{\rm{2}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313762 How many of the following are paramagnetic?
\({{\rm{C}}_{\rm{2}}},\;{{\rm{B}}_{\rm{2}}},{\rm{O}}_2^{ - 2},{\rm{BN}},{\rm{Cl}}_2^ + \) and \({\rm{N}}{{\rm{O}}^ + }.\)

1 4
2 2
3 3
4 0
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313763 According to MO theory, the bond orders for \(\mathrm{O}_2^{2-}, \mathrm{CO}\) and \(\mathrm{NO}^{+}\)respectively, are

1 2, 3 and 3
2 1, 3 and 3
3 1, 2 and 3
4 1,3 and 2
JEE - 2023
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313764 A pair of isoelectronic species having bond order of one is :

1 \({\mathrm{\mathrm{N}_{2}, \mathrm{CO}}}\)
2 \({\mathrm{\mathrm{N}_{2}, \mathrm{NO}^{+}}}\)
3 \({\mathrm{\mathrm{O}_{2}^{2-}, \mathrm{F}_{2}}}\)
4 \({\mathrm{\mathrm{CO}, \mathrm{NO}^{-}}}\)
KCET - 2024
NEET DIGITAL LIBRARY
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313760 Assertion :
The bond order of helium is zero.
Reason :
The number of electrons in bonding molecular orbital and antibonding molecular orbital is equal.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313761 Which of the following has the highest bond order?

1 \({{\rm{N}}_{\rm{2}}}\)
2 \({{\rm{O}}_{\rm{2}}}\)
3 \({\rm{H}}{{\rm{e}}_{\rm{2}}}\)
4 \({{\rm{H}}_{\rm{2}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313762 How many of the following are paramagnetic?
\({{\rm{C}}_{\rm{2}}},\;{{\rm{B}}_{\rm{2}}},{\rm{O}}_2^{ - 2},{\rm{BN}},{\rm{Cl}}_2^ + \) and \({\rm{N}}{{\rm{O}}^ + }.\)

1 4
2 2
3 3
4 0
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313763 According to MO theory, the bond orders for \(\mathrm{O}_2^{2-}, \mathrm{CO}\) and \(\mathrm{NO}^{+}\)respectively, are

1 2, 3 and 3
2 1, 3 and 3
3 1, 2 and 3
4 1,3 and 2
JEE - 2023
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313764 A pair of isoelectronic species having bond order of one is :

1 \({\mathrm{\mathrm{N}_{2}, \mathrm{CO}}}\)
2 \({\mathrm{\mathrm{N}_{2}, \mathrm{NO}^{+}}}\)
3 \({\mathrm{\mathrm{O}_{2}^{2-}, \mathrm{F}_{2}}}\)
4 \({\mathrm{\mathrm{CO}, \mathrm{NO}^{-}}}\)
KCET - 2024