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

313719 What is the bond order of \(\mathrm{O}_{2}\) molecule?

1 2.0
2 1.5
3 1
4 3.5
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313720 As per molecular orbital theory, bond order of \({\mathrm{\mathrm{Li}_{2}}}\) is \({\mathrm{x}}\) and bond order of \({\rm{Li}}_2^ - \) is \({\mathrm{y}}\). The value of \({\mathrm{(\mathrm{x}-\mathrm{y})}}\) is ____.

1 1
2 0.5
3 2
4 3
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313721 The incorrect statement among the following is

1 In \({{\rm{C}}_{\rm{2}}}\), there is a double bond and both the bonds are \({\rm{\pi - bonds}}\)
2 Bond order of \({\rm{CO}}\,\,{\rm{and}}\,\,{\rm{C}}{{\rm{O}}^{\rm{ + }}}\) are respectively 3.0 and 3.5
3 \({\rm{CO,}}\,\,{\rm{N}}{{\rm{O}}^{\rm{ + }}}\,\,{\rm{and}}\,\,{{\rm{N}}_{\rm{2}}}\) all have the same bond order value
4 The B.O of \({\rm{CO = 2,}}\,\,{\rm{N}}{{\rm{O}}^{\rm{ + }}}{\rm{ = 2}}{\rm{.5}}\,\,{\rm{\& }}\,\,{{\rm{N}}_{\rm{2}}}{\rm{ = 3}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313722 Assertion :
\(\mathrm{O}_{2}\) is paramagnetic.
Reason :
It has one unpaired electron.

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

313734 The bond length of \({\rm{H}}_{\rm{2}}^{\rm{ + }}{\rm{,}}\,\,{\rm{H}}_{\rm{2}}^{\rm{ - }}\,\,{\rm{and}}\,\,{{\rm{H}}_{\rm{2}}}\) are in the order

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

313719 What is the bond order of \(\mathrm{O}_{2}\) molecule?

1 2.0
2 1.5
3 1
4 3.5
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313720 As per molecular orbital theory, bond order of \({\mathrm{\mathrm{Li}_{2}}}\) is \({\mathrm{x}}\) and bond order of \({\rm{Li}}_2^ - \) is \({\mathrm{y}}\). The value of \({\mathrm{(\mathrm{x}-\mathrm{y})}}\) is ____.

1 1
2 0.5
3 2
4 3
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313721 The incorrect statement among the following is

1 In \({{\rm{C}}_{\rm{2}}}\), there is a double bond and both the bonds are \({\rm{\pi - bonds}}\)
2 Bond order of \({\rm{CO}}\,\,{\rm{and}}\,\,{\rm{C}}{{\rm{O}}^{\rm{ + }}}\) are respectively 3.0 and 3.5
3 \({\rm{CO,}}\,\,{\rm{N}}{{\rm{O}}^{\rm{ + }}}\,\,{\rm{and}}\,\,{{\rm{N}}_{\rm{2}}}\) all have the same bond order value
4 The B.O of \({\rm{CO = 2,}}\,\,{\rm{N}}{{\rm{O}}^{\rm{ + }}}{\rm{ = 2}}{\rm{.5}}\,\,{\rm{\& }}\,\,{{\rm{N}}_{\rm{2}}}{\rm{ = 3}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313722 Assertion :
\(\mathrm{O}_{2}\) is paramagnetic.
Reason :
It has one unpaired electron.

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

313734 The bond length of \({\rm{H}}_{\rm{2}}^{\rm{ + }}{\rm{,}}\,\,{\rm{H}}_{\rm{2}}^{\rm{ - }}\,\,{\rm{and}}\,\,{{\rm{H}}_{\rm{2}}}\) are in the order

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

313719 What is the bond order of \(\mathrm{O}_{2}\) molecule?

1 2.0
2 1.5
3 1
4 3.5
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313720 As per molecular orbital theory, bond order of \({\mathrm{\mathrm{Li}_{2}}}\) is \({\mathrm{x}}\) and bond order of \({\rm{Li}}_2^ - \) is \({\mathrm{y}}\). The value of \({\mathrm{(\mathrm{x}-\mathrm{y})}}\) is ____.

1 1
2 0.5
3 2
4 3
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313721 The incorrect statement among the following is

1 In \({{\rm{C}}_{\rm{2}}}\), there is a double bond and both the bonds are \({\rm{\pi - bonds}}\)
2 Bond order of \({\rm{CO}}\,\,{\rm{and}}\,\,{\rm{C}}{{\rm{O}}^{\rm{ + }}}\) are respectively 3.0 and 3.5
3 \({\rm{CO,}}\,\,{\rm{N}}{{\rm{O}}^{\rm{ + }}}\,\,{\rm{and}}\,\,{{\rm{N}}_{\rm{2}}}\) all have the same bond order value
4 The B.O of \({\rm{CO = 2,}}\,\,{\rm{N}}{{\rm{O}}^{\rm{ + }}}{\rm{ = 2}}{\rm{.5}}\,\,{\rm{\& }}\,\,{{\rm{N}}_{\rm{2}}}{\rm{ = 3}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313722 Assertion :
\(\mathrm{O}_{2}\) is paramagnetic.
Reason :
It has one unpaired electron.

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

313734 The bond length of \({\rm{H}}_{\rm{2}}^{\rm{ + }}{\rm{,}}\,\,{\rm{H}}_{\rm{2}}^{\rm{ - }}\,\,{\rm{and}}\,\,{{\rm{H}}_{\rm{2}}}\) are in the order

1 \({\rm{H}}_{\rm{2}}^{\rm{ + }}{\rm{ > }}{{\rm{H}}_{\rm{2}}}{\rm{ > H}}_{\rm{2}}^{\rm{ - }}\)
2 \({{\rm{H}}_{\rm{2}}}{\rm{ > H}}_{\rm{2}}^{\rm{ + }}{\rm{ > H}}_{\rm{2}}^{\rm{ - }}\)
3 \({\rm{H}}_{\rm{2}}^{\rm{ - }}{\rm{ > }}{{\rm{H}}_{\rm{2}}}{\rm{ > H}}_{\rm{2}}^{\rm{ + }}\)
4 \({\rm{H}}_{\rm{2}}^{\rm{ - }}{\rm{ > H}}_{\rm{2}}^{\rm{ + }}{\rm{ > }}{{\rm{H}}_{\rm{2}}}\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313719 What is the bond order of \(\mathrm{O}_{2}\) molecule?

1 2.0
2 1.5
3 1
4 3.5
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313720 As per molecular orbital theory, bond order of \({\mathrm{\mathrm{Li}_{2}}}\) is \({\mathrm{x}}\) and bond order of \({\rm{Li}}_2^ - \) is \({\mathrm{y}}\). The value of \({\mathrm{(\mathrm{x}-\mathrm{y})}}\) is ____.

1 1
2 0.5
3 2
4 3
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313721 The incorrect statement among the following is

1 In \({{\rm{C}}_{\rm{2}}}\), there is a double bond and both the bonds are \({\rm{\pi - bonds}}\)
2 Bond order of \({\rm{CO}}\,\,{\rm{and}}\,\,{\rm{C}}{{\rm{O}}^{\rm{ + }}}\) are respectively 3.0 and 3.5
3 \({\rm{CO,}}\,\,{\rm{N}}{{\rm{O}}^{\rm{ + }}}\,\,{\rm{and}}\,\,{{\rm{N}}_{\rm{2}}}\) all have the same bond order value
4 The B.O of \({\rm{CO = 2,}}\,\,{\rm{N}}{{\rm{O}}^{\rm{ + }}}{\rm{ = 2}}{\rm{.5}}\,\,{\rm{\& }}\,\,{{\rm{N}}_{\rm{2}}}{\rm{ = 3}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313722 Assertion :
\(\mathrm{O}_{2}\) is paramagnetic.
Reason :
It has one unpaired electron.

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

313734 The bond length of \({\rm{H}}_{\rm{2}}^{\rm{ + }}{\rm{,}}\,\,{\rm{H}}_{\rm{2}}^{\rm{ - }}\,\,{\rm{and}}\,\,{{\rm{H}}_{\rm{2}}}\) are in the order

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

313719 What is the bond order of \(\mathrm{O}_{2}\) molecule?

1 2.0
2 1.5
3 1
4 3.5
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313720 As per molecular orbital theory, bond order of \({\mathrm{\mathrm{Li}_{2}}}\) is \({\mathrm{x}}\) and bond order of \({\rm{Li}}_2^ - \) is \({\mathrm{y}}\). The value of \({\mathrm{(\mathrm{x}-\mathrm{y})}}\) is ____.

1 1
2 0.5
3 2
4 3
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313721 The incorrect statement among the following is

1 In \({{\rm{C}}_{\rm{2}}}\), there is a double bond and both the bonds are \({\rm{\pi - bonds}}\)
2 Bond order of \({\rm{CO}}\,\,{\rm{and}}\,\,{\rm{C}}{{\rm{O}}^{\rm{ + }}}\) are respectively 3.0 and 3.5
3 \({\rm{CO,}}\,\,{\rm{N}}{{\rm{O}}^{\rm{ + }}}\,\,{\rm{and}}\,\,{{\rm{N}}_{\rm{2}}}\) all have the same bond order value
4 The B.O of \({\rm{CO = 2,}}\,\,{\rm{N}}{{\rm{O}}^{\rm{ + }}}{\rm{ = 2}}{\rm{.5}}\,\,{\rm{\& }}\,\,{{\rm{N}}_{\rm{2}}}{\rm{ = 3}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313722 Assertion :
\(\mathrm{O}_{2}\) is paramagnetic.
Reason :
It has one unpaired electron.

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

313734 The bond length of \({\rm{H}}_{\rm{2}}^{\rm{ + }}{\rm{,}}\,\,{\rm{H}}_{\rm{2}}^{\rm{ - }}\,\,{\rm{and}}\,\,{{\rm{H}}_{\rm{2}}}\) are in the order

1 \({\rm{H}}_{\rm{2}}^{\rm{ + }}{\rm{ > }}{{\rm{H}}_{\rm{2}}}{\rm{ > H}}_{\rm{2}}^{\rm{ - }}\)
2 \({{\rm{H}}_{\rm{2}}}{\rm{ > H}}_{\rm{2}}^{\rm{ + }}{\rm{ > H}}_{\rm{2}}^{\rm{ - }}\)
3 \({\rm{H}}_{\rm{2}}^{\rm{ - }}{\rm{ > }}{{\rm{H}}_{\rm{2}}}{\rm{ > H}}_{\rm{2}}^{\rm{ + }}\)
4 \({\rm{H}}_{\rm{2}}^{\rm{ - }}{\rm{ > H}}_{\rm{2}}^{\rm{ + }}{\rm{ > }}{{\rm{H}}_{\rm{2}}}\)