Bond Parameters
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313452 Which of the following bond angle order is not correct?

1 \({\rm{BC}}{{\rm{l}}_{\rm{3}}}{\rm{ > PC}}{{\rm{l}}_{\rm{3}}}{\rm{ > AsC}}{{\rm{l}}_{\rm{3}}}\)
2 \({{\rm{H}}_{\rm{2}}}{\rm{S < S}}{{\rm{F}}_{\rm{2}}}{\rm{ < N}}{{\rm{H}}_{\rm{3}}}{\rm{ < B}}{{\rm{F}}_{\rm{3}}}\)
3 \({{\rm{H}}_{\rm{2}}}{\rm{O < O}}{{\rm{F}}_{\rm{2}}}{\rm{ < C}}{{\rm{H}}_{\rm{3}}}{\rm{OC}}{{\rm{H}}_{\rm{3}}}\)
4 \({\rm{PO}}_{\rm{4}}^{{\rm{3 - }}}{\rm{ < SO}}_{\rm{4}}^{{\rm{2 - }}}{\rm{ < ClO}}_{\rm{4}}^{\rm{ - }}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313453 Statement A :
Bond angle of \({{\rm{H}}_{\rm{2}}}{\rm{O}}\) molecule is \({\rm{104}}{\rm{.5^\circ }}{\rm{.}}\)
Statement B :
Lone pair-lone pair repulsion is more than bond pair-bond pair repulsion.

1 Both S1 and S2 are correct and S2 is a correct explanation of S1.
2 Both S1 and S2 are correct but S2 is not correct explanation of S1.
3 S1 is correct and S2 is incorrect
4 S1 is incorrect and S2 is correct.
JEE - 2021
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313454 In which of the following species, the angle around the central atom is exactly equal to \(109^{\circ} 28^{\prime}\) ?

1 \(\mathrm{SF}_{4}\)
2 \(\mathrm{NH}_{3}\)
3 \(\mathrm{NH}_{4}^{+}\)
4 None of these
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313455 Statement A :
In \({\rm{N}}{{\rm{H}}_{\rm{3}}}{\rm{,}}\,\,{\rm{N}}\,\,{\rm{is}}\,\,{\rm{s}}{{\rm{p}}^{\rm{3}}}\) hybridised, but angle is found to be \({\rm{107^\circ }}\)
Statement B :
The decrease in bond angle of \({\rm{N}}{{\rm{H}}_{\rm{3}}}\) is due to repulsion between the lone pair and bond pair.

1 Statement A is correct but Statement B is incorrect
2 Statement A is incorrect but Statement B is correct
3 Both statements are correct
4 Both statements are incorrect
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313452 Which of the following bond angle order is not correct?

1 \({\rm{BC}}{{\rm{l}}_{\rm{3}}}{\rm{ > PC}}{{\rm{l}}_{\rm{3}}}{\rm{ > AsC}}{{\rm{l}}_{\rm{3}}}\)
2 \({{\rm{H}}_{\rm{2}}}{\rm{S < S}}{{\rm{F}}_{\rm{2}}}{\rm{ < N}}{{\rm{H}}_{\rm{3}}}{\rm{ < B}}{{\rm{F}}_{\rm{3}}}\)
3 \({{\rm{H}}_{\rm{2}}}{\rm{O < O}}{{\rm{F}}_{\rm{2}}}{\rm{ < C}}{{\rm{H}}_{\rm{3}}}{\rm{OC}}{{\rm{H}}_{\rm{3}}}\)
4 \({\rm{PO}}_{\rm{4}}^{{\rm{3 - }}}{\rm{ < SO}}_{\rm{4}}^{{\rm{2 - }}}{\rm{ < ClO}}_{\rm{4}}^{\rm{ - }}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313453 Statement A :
Bond angle of \({{\rm{H}}_{\rm{2}}}{\rm{O}}\) molecule is \({\rm{104}}{\rm{.5^\circ }}{\rm{.}}\)
Statement B :
Lone pair-lone pair repulsion is more than bond pair-bond pair repulsion.

1 Both S1 and S2 are correct and S2 is a correct explanation of S1.
2 Both S1 and S2 are correct but S2 is not correct explanation of S1.
3 S1 is correct and S2 is incorrect
4 S1 is incorrect and S2 is correct.
JEE - 2021
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313454 In which of the following species, the angle around the central atom is exactly equal to \(109^{\circ} 28^{\prime}\) ?

1 \(\mathrm{SF}_{4}\)
2 \(\mathrm{NH}_{3}\)
3 \(\mathrm{NH}_{4}^{+}\)
4 None of these
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313455 Statement A :
In \({\rm{N}}{{\rm{H}}_{\rm{3}}}{\rm{,}}\,\,{\rm{N}}\,\,{\rm{is}}\,\,{\rm{s}}{{\rm{p}}^{\rm{3}}}\) hybridised, but angle is found to be \({\rm{107^\circ }}\)
Statement B :
The decrease in bond angle of \({\rm{N}}{{\rm{H}}_{\rm{3}}}\) is due to repulsion between the lone pair and bond pair.

1 Statement A is correct but Statement B is incorrect
2 Statement A is incorrect but Statement B is correct
3 Both statements are correct
4 Both statements are incorrect
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313452 Which of the following bond angle order is not correct?

1 \({\rm{BC}}{{\rm{l}}_{\rm{3}}}{\rm{ > PC}}{{\rm{l}}_{\rm{3}}}{\rm{ > AsC}}{{\rm{l}}_{\rm{3}}}\)
2 \({{\rm{H}}_{\rm{2}}}{\rm{S < S}}{{\rm{F}}_{\rm{2}}}{\rm{ < N}}{{\rm{H}}_{\rm{3}}}{\rm{ < B}}{{\rm{F}}_{\rm{3}}}\)
3 \({{\rm{H}}_{\rm{2}}}{\rm{O < O}}{{\rm{F}}_{\rm{2}}}{\rm{ < C}}{{\rm{H}}_{\rm{3}}}{\rm{OC}}{{\rm{H}}_{\rm{3}}}\)
4 \({\rm{PO}}_{\rm{4}}^{{\rm{3 - }}}{\rm{ < SO}}_{\rm{4}}^{{\rm{2 - }}}{\rm{ < ClO}}_{\rm{4}}^{\rm{ - }}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313453 Statement A :
Bond angle of \({{\rm{H}}_{\rm{2}}}{\rm{O}}\) molecule is \({\rm{104}}{\rm{.5^\circ }}{\rm{.}}\)
Statement B :
Lone pair-lone pair repulsion is more than bond pair-bond pair repulsion.

1 Both S1 and S2 are correct and S2 is a correct explanation of S1.
2 Both S1 and S2 are correct but S2 is not correct explanation of S1.
3 S1 is correct and S2 is incorrect
4 S1 is incorrect and S2 is correct.
JEE - 2021
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313454 In which of the following species, the angle around the central atom is exactly equal to \(109^{\circ} 28^{\prime}\) ?

1 \(\mathrm{SF}_{4}\)
2 \(\mathrm{NH}_{3}\)
3 \(\mathrm{NH}_{4}^{+}\)
4 None of these
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313455 Statement A :
In \({\rm{N}}{{\rm{H}}_{\rm{3}}}{\rm{,}}\,\,{\rm{N}}\,\,{\rm{is}}\,\,{\rm{s}}{{\rm{p}}^{\rm{3}}}\) hybridised, but angle is found to be \({\rm{107^\circ }}\)
Statement B :
The decrease in bond angle of \({\rm{N}}{{\rm{H}}_{\rm{3}}}\) is due to repulsion between the lone pair and bond pair.

1 Statement A is correct but Statement B is incorrect
2 Statement A is incorrect but Statement B is correct
3 Both statements are correct
4 Both statements are incorrect
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313452 Which of the following bond angle order is not correct?

1 \({\rm{BC}}{{\rm{l}}_{\rm{3}}}{\rm{ > PC}}{{\rm{l}}_{\rm{3}}}{\rm{ > AsC}}{{\rm{l}}_{\rm{3}}}\)
2 \({{\rm{H}}_{\rm{2}}}{\rm{S < S}}{{\rm{F}}_{\rm{2}}}{\rm{ < N}}{{\rm{H}}_{\rm{3}}}{\rm{ < B}}{{\rm{F}}_{\rm{3}}}\)
3 \({{\rm{H}}_{\rm{2}}}{\rm{O < O}}{{\rm{F}}_{\rm{2}}}{\rm{ < C}}{{\rm{H}}_{\rm{3}}}{\rm{OC}}{{\rm{H}}_{\rm{3}}}\)
4 \({\rm{PO}}_{\rm{4}}^{{\rm{3 - }}}{\rm{ < SO}}_{\rm{4}}^{{\rm{2 - }}}{\rm{ < ClO}}_{\rm{4}}^{\rm{ - }}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313453 Statement A :
Bond angle of \({{\rm{H}}_{\rm{2}}}{\rm{O}}\) molecule is \({\rm{104}}{\rm{.5^\circ }}{\rm{.}}\)
Statement B :
Lone pair-lone pair repulsion is more than bond pair-bond pair repulsion.

1 Both S1 and S2 are correct and S2 is a correct explanation of S1.
2 Both S1 and S2 are correct but S2 is not correct explanation of S1.
3 S1 is correct and S2 is incorrect
4 S1 is incorrect and S2 is correct.
JEE - 2021
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313454 In which of the following species, the angle around the central atom is exactly equal to \(109^{\circ} 28^{\prime}\) ?

1 \(\mathrm{SF}_{4}\)
2 \(\mathrm{NH}_{3}\)
3 \(\mathrm{NH}_{4}^{+}\)
4 None of these
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313455 Statement A :
In \({\rm{N}}{{\rm{H}}_{\rm{3}}}{\rm{,}}\,\,{\rm{N}}\,\,{\rm{is}}\,\,{\rm{s}}{{\rm{p}}^{\rm{3}}}\) hybridised, but angle is found to be \({\rm{107^\circ }}\)
Statement B :
The decrease in bond angle of \({\rm{N}}{{\rm{H}}_{\rm{3}}}\) is due to repulsion between the lone pair and bond pair.

1 Statement A is correct but Statement B is incorrect
2 Statement A is incorrect but Statement B is correct
3 Both statements are correct
4 Both statements are incorrect
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