Comparision of Valence Bond Theory and Molecular Orbital Theory
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313748 In the change of \(\mathrm{NO}^{+}\)to \(\mathrm{NO}\), the electron is added to

1 \(\sigma\)-orbital
2 \(\pi\)-orbital
3 \(\mathop {\rm{\pi }}\limits^{\rm{*}} - {\rm{orbital}}\)
4 \(\pi\)-orbital
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313749 Which of the following has the minimum bond length?

1 \({{\rm{O}}_{\rm{2}}}\)
2 \({\rm{O}}_{\rm{2}}^{\rm{ + }}\)
3 \({\rm{O}}_{\rm{2}}^{\rm{ - }}\)
4 \({\rm{O}}_{\rm{2}}^{{\rm{2 - }}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313750 Which amongst following is incorrect statement?

1 \({{\rm{C}}_{\rm{2}}}\) molecule has four electrons in its two degenerate \({\rm{\pi }}\) molecular orbitals.
2 \({\rm{H}}_{\rm{2}}^{\rm{ + }}\) ion has one electron
3 \({\rm{O}}_{\rm{2}}^{\rm{ + }}\) ion has diamagnetic.
4 The bond orders of \({\rm{O}}_{\rm{2}}^{\rm{ + }}{\rm{,}}\,\,{{\rm{O}}_{\rm{2}}}{\rm{,}}\,\,{\rm{O}}_{\rm{2}}^{\rm{ - }}\,\,{\rm{and}}\,\,{\rm{O}}_{\rm{2}}^{{\rm{2 - }}}\) are 2.5, 2, 1.5 and 1, respectively.
NEET - 2022
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313751 The pair of species with the same bond order is:

1 \({\rm{NO,}}\,\,{\rm{CO}}\)
2 \({{\rm{N}}_{\rm{2}}}{\rm{,}}\,\,{{\rm{O}}_{\rm{2}}}\)
3 \({\rm{O}}_{\rm{2}}^{{\rm{2 - }}}{\rm{,}}\,\,{{\rm{B}}_{\rm{2}}}\)
4 \({\rm{O}}_{\rm{2}}^{\rm{ + }}{\rm{,}}\,\,{\rm{N}}{{\rm{O}}^{\rm{ + }}}\)
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313748 In the change of \(\mathrm{NO}^{+}\)to \(\mathrm{NO}\), the electron is added to

1 \(\sigma\)-orbital
2 \(\pi\)-orbital
3 \(\mathop {\rm{\pi }}\limits^{\rm{*}} - {\rm{orbital}}\)
4 \(\pi\)-orbital
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313749 Which of the following has the minimum bond length?

1 \({{\rm{O}}_{\rm{2}}}\)
2 \({\rm{O}}_{\rm{2}}^{\rm{ + }}\)
3 \({\rm{O}}_{\rm{2}}^{\rm{ - }}\)
4 \({\rm{O}}_{\rm{2}}^{{\rm{2 - }}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313750 Which amongst following is incorrect statement?

1 \({{\rm{C}}_{\rm{2}}}\) molecule has four electrons in its two degenerate \({\rm{\pi }}\) molecular orbitals.
2 \({\rm{H}}_{\rm{2}}^{\rm{ + }}\) ion has one electron
3 \({\rm{O}}_{\rm{2}}^{\rm{ + }}\) ion has diamagnetic.
4 The bond orders of \({\rm{O}}_{\rm{2}}^{\rm{ + }}{\rm{,}}\,\,{{\rm{O}}_{\rm{2}}}{\rm{,}}\,\,{\rm{O}}_{\rm{2}}^{\rm{ - }}\,\,{\rm{and}}\,\,{\rm{O}}_{\rm{2}}^{{\rm{2 - }}}\) are 2.5, 2, 1.5 and 1, respectively.
NEET - 2022
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313751 The pair of species with the same bond order is:

1 \({\rm{NO,}}\,\,{\rm{CO}}\)
2 \({{\rm{N}}_{\rm{2}}}{\rm{,}}\,\,{{\rm{O}}_{\rm{2}}}\)
3 \({\rm{O}}_{\rm{2}}^{{\rm{2 - }}}{\rm{,}}\,\,{{\rm{B}}_{\rm{2}}}\)
4 \({\rm{O}}_{\rm{2}}^{\rm{ + }}{\rm{,}}\,\,{\rm{N}}{{\rm{O}}^{\rm{ + }}}\)
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313748 In the change of \(\mathrm{NO}^{+}\)to \(\mathrm{NO}\), the electron is added to

1 \(\sigma\)-orbital
2 \(\pi\)-orbital
3 \(\mathop {\rm{\pi }}\limits^{\rm{*}} - {\rm{orbital}}\)
4 \(\pi\)-orbital
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313749 Which of the following has the minimum bond length?

1 \({{\rm{O}}_{\rm{2}}}\)
2 \({\rm{O}}_{\rm{2}}^{\rm{ + }}\)
3 \({\rm{O}}_{\rm{2}}^{\rm{ - }}\)
4 \({\rm{O}}_{\rm{2}}^{{\rm{2 - }}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313750 Which amongst following is incorrect statement?

1 \({{\rm{C}}_{\rm{2}}}\) molecule has four electrons in its two degenerate \({\rm{\pi }}\) molecular orbitals.
2 \({\rm{H}}_{\rm{2}}^{\rm{ + }}\) ion has one electron
3 \({\rm{O}}_{\rm{2}}^{\rm{ + }}\) ion has diamagnetic.
4 The bond orders of \({\rm{O}}_{\rm{2}}^{\rm{ + }}{\rm{,}}\,\,{{\rm{O}}_{\rm{2}}}{\rm{,}}\,\,{\rm{O}}_{\rm{2}}^{\rm{ - }}\,\,{\rm{and}}\,\,{\rm{O}}_{\rm{2}}^{{\rm{2 - }}}\) are 2.5, 2, 1.5 and 1, respectively.
NEET - 2022
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313751 The pair of species with the same bond order is:

1 \({\rm{NO,}}\,\,{\rm{CO}}\)
2 \({{\rm{N}}_{\rm{2}}}{\rm{,}}\,\,{{\rm{O}}_{\rm{2}}}\)
3 \({\rm{O}}_{\rm{2}}^{{\rm{2 - }}}{\rm{,}}\,\,{{\rm{B}}_{\rm{2}}}\)
4 \({\rm{O}}_{\rm{2}}^{\rm{ + }}{\rm{,}}\,\,{\rm{N}}{{\rm{O}}^{\rm{ + }}}\)
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313748 In the change of \(\mathrm{NO}^{+}\)to \(\mathrm{NO}\), the electron is added to

1 \(\sigma\)-orbital
2 \(\pi\)-orbital
3 \(\mathop {\rm{\pi }}\limits^{\rm{*}} - {\rm{orbital}}\)
4 \(\pi\)-orbital
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313749 Which of the following has the minimum bond length?

1 \({{\rm{O}}_{\rm{2}}}\)
2 \({\rm{O}}_{\rm{2}}^{\rm{ + }}\)
3 \({\rm{O}}_{\rm{2}}^{\rm{ - }}\)
4 \({\rm{O}}_{\rm{2}}^{{\rm{2 - }}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313750 Which amongst following is incorrect statement?

1 \({{\rm{C}}_{\rm{2}}}\) molecule has four electrons in its two degenerate \({\rm{\pi }}\) molecular orbitals.
2 \({\rm{H}}_{\rm{2}}^{\rm{ + }}\) ion has one electron
3 \({\rm{O}}_{\rm{2}}^{\rm{ + }}\) ion has diamagnetic.
4 The bond orders of \({\rm{O}}_{\rm{2}}^{\rm{ + }}{\rm{,}}\,\,{{\rm{O}}_{\rm{2}}}{\rm{,}}\,\,{\rm{O}}_{\rm{2}}^{\rm{ - }}\,\,{\rm{and}}\,\,{\rm{O}}_{\rm{2}}^{{\rm{2 - }}}\) are 2.5, 2, 1.5 and 1, respectively.
NEET - 2022
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313751 The pair of species with the same bond order is:

1 \({\rm{NO,}}\,\,{\rm{CO}}\)
2 \({{\rm{N}}_{\rm{2}}}{\rm{,}}\,\,{{\rm{O}}_{\rm{2}}}\)
3 \({\rm{O}}_{\rm{2}}^{{\rm{2 - }}}{\rm{,}}\,\,{{\rm{B}}_{\rm{2}}}\)
4 \({\rm{O}}_{\rm{2}}^{\rm{ + }}{\rm{,}}\,\,{\rm{N}}{{\rm{O}}^{\rm{ + }}}\)