VSEPR Theory
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313924 Which of the following is the correct increasing order of lone pair of electrons on the central atom?

1 \({\rm{I}}{{\rm{F}}_{\rm{7}}}{\rm{ < I}}{{\rm{F}}_{\rm{5}}}{\rm{ < Cl}}{{\rm{F}}_{\rm{3}}}{\rm{ < Xe}}{{\rm{F}}_{\rm{2}}}\)
2 \({\rm{I}}{{\rm{F}}_{\rm{7}}}{\rm{ < Xe}}{{\rm{F}}_{\rm{2}}}{\rm{ < Cl}}{{\rm{F}}_{\rm{3}}}{\rm{ < I}}{{\rm{F}}_{\rm{5}}}\)
3 \({\rm{I}}{{\rm{F}}_{\rm{7}}}{\rm{ < Cl}}{{\rm{F}}_{\rm{3}}}{\rm{ < Xe}}{{\rm{F}}_{\rm{2}}}{\rm{ < I}}{{\rm{F}}_{\rm{5}}}\)
4 \({\rm{I}}{{\rm{F}}_{\rm{7}}}{\rm{ < Xe}}{{\rm{F}}_{\rm{2}}}{\rm{ < I}}{{\rm{F}}_{\rm{5}}}{\rm{ < Cl}}{{\rm{F}}_{\rm{3}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313925 The shapes of \({\rm{PCl}}_{\rm{4}}^{\rm{ + }}{\rm{,}}\,\,{\rm{PCl}}_{\rm{4}}^{\rm{ - }}\,\,{\rm{and}}\,\,{\rm{AsC}}{{\rm{l}}_{\rm{5}}}\) are respectively

1 Square planar, tetrahedral and see-saw
2 Tetrahedral, see-saw and trigonal bipyramidal
3 Tetrahedral, square planar and pentagonal bipyramidal
4 Trigonal bipyramidal, tetrahedral and square pyramidal
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313926 Give the correct order of initials \(\mathrm{T}\) or \(\mathrm{F}\) for following statements. Use \(\mathrm{T}\) if statement is true and \(\mathrm{F}\) if it is false
i) The order of repulsion between different pair of electrons is \({\text{1p - 1p > 1p - bp > bp - b p}}\)
ii) In general, as the number of lone pair of electrons on central atom increases, value of bond angle from normal bond angle also increases.
iii) The number of lone pairs on \(\mathrm{O}\) in \(\mathrm{H}_{2} \mathrm{O}\) is 2 while on \(\mathrm{N}\) in \(\mathrm{NH}_{3}\) is 1 .
iv) The structures of Xenon-fluorides and Xenon-oxyfluorides could not be explained on the basis of VSEPR theory.

1 T T T F
2 T F T F
3 T F T T
4 T F F F
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313927 Among the following, the pair in which the two species are not isostructural, is

1 \(\mathrm{SiF}_{4}\) and \(\mathrm{SF}_{4}\)
2 \(\mathrm{IO}_{3}^{-}\) and \(\mathrm{XeO}_{3}\)
3 \(\mathrm{BH}_{4}^{-}\) and \(\mathrm{NH}_{4}^{+}\)
4 \(\mathrm{PF}_{6}^{-}\) and \(\mathrm{SF}_{6}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313924 Which of the following is the correct increasing order of lone pair of electrons on the central atom?

1 \({\rm{I}}{{\rm{F}}_{\rm{7}}}{\rm{ < I}}{{\rm{F}}_{\rm{5}}}{\rm{ < Cl}}{{\rm{F}}_{\rm{3}}}{\rm{ < Xe}}{{\rm{F}}_{\rm{2}}}\)
2 \({\rm{I}}{{\rm{F}}_{\rm{7}}}{\rm{ < Xe}}{{\rm{F}}_{\rm{2}}}{\rm{ < Cl}}{{\rm{F}}_{\rm{3}}}{\rm{ < I}}{{\rm{F}}_{\rm{5}}}\)
3 \({\rm{I}}{{\rm{F}}_{\rm{7}}}{\rm{ < Cl}}{{\rm{F}}_{\rm{3}}}{\rm{ < Xe}}{{\rm{F}}_{\rm{2}}}{\rm{ < I}}{{\rm{F}}_{\rm{5}}}\)
4 \({\rm{I}}{{\rm{F}}_{\rm{7}}}{\rm{ < Xe}}{{\rm{F}}_{\rm{2}}}{\rm{ < I}}{{\rm{F}}_{\rm{5}}}{\rm{ < Cl}}{{\rm{F}}_{\rm{3}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313925 The shapes of \({\rm{PCl}}_{\rm{4}}^{\rm{ + }}{\rm{,}}\,\,{\rm{PCl}}_{\rm{4}}^{\rm{ - }}\,\,{\rm{and}}\,\,{\rm{AsC}}{{\rm{l}}_{\rm{5}}}\) are respectively

1 Square planar, tetrahedral and see-saw
2 Tetrahedral, see-saw and trigonal bipyramidal
3 Tetrahedral, square planar and pentagonal bipyramidal
4 Trigonal bipyramidal, tetrahedral and square pyramidal
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313926 Give the correct order of initials \(\mathrm{T}\) or \(\mathrm{F}\) for following statements. Use \(\mathrm{T}\) if statement is true and \(\mathrm{F}\) if it is false
i) The order of repulsion between different pair of electrons is \({\text{1p - 1p > 1p - bp > bp - b p}}\)
ii) In general, as the number of lone pair of electrons on central atom increases, value of bond angle from normal bond angle also increases.
iii) The number of lone pairs on \(\mathrm{O}\) in \(\mathrm{H}_{2} \mathrm{O}\) is 2 while on \(\mathrm{N}\) in \(\mathrm{NH}_{3}\) is 1 .
iv) The structures of Xenon-fluorides and Xenon-oxyfluorides could not be explained on the basis of VSEPR theory.

1 T T T F
2 T F T F
3 T F T T
4 T F F F
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313927 Among the following, the pair in which the two species are not isostructural, is

1 \(\mathrm{SiF}_{4}\) and \(\mathrm{SF}_{4}\)
2 \(\mathrm{IO}_{3}^{-}\) and \(\mathrm{XeO}_{3}\)
3 \(\mathrm{BH}_{4}^{-}\) and \(\mathrm{NH}_{4}^{+}\)
4 \(\mathrm{PF}_{6}^{-}\) and \(\mathrm{SF}_{6}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313924 Which of the following is the correct increasing order of lone pair of electrons on the central atom?

1 \({\rm{I}}{{\rm{F}}_{\rm{7}}}{\rm{ < I}}{{\rm{F}}_{\rm{5}}}{\rm{ < Cl}}{{\rm{F}}_{\rm{3}}}{\rm{ < Xe}}{{\rm{F}}_{\rm{2}}}\)
2 \({\rm{I}}{{\rm{F}}_{\rm{7}}}{\rm{ < Xe}}{{\rm{F}}_{\rm{2}}}{\rm{ < Cl}}{{\rm{F}}_{\rm{3}}}{\rm{ < I}}{{\rm{F}}_{\rm{5}}}\)
3 \({\rm{I}}{{\rm{F}}_{\rm{7}}}{\rm{ < Cl}}{{\rm{F}}_{\rm{3}}}{\rm{ < Xe}}{{\rm{F}}_{\rm{2}}}{\rm{ < I}}{{\rm{F}}_{\rm{5}}}\)
4 \({\rm{I}}{{\rm{F}}_{\rm{7}}}{\rm{ < Xe}}{{\rm{F}}_{\rm{2}}}{\rm{ < I}}{{\rm{F}}_{\rm{5}}}{\rm{ < Cl}}{{\rm{F}}_{\rm{3}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313925 The shapes of \({\rm{PCl}}_{\rm{4}}^{\rm{ + }}{\rm{,}}\,\,{\rm{PCl}}_{\rm{4}}^{\rm{ - }}\,\,{\rm{and}}\,\,{\rm{AsC}}{{\rm{l}}_{\rm{5}}}\) are respectively

1 Square planar, tetrahedral and see-saw
2 Tetrahedral, see-saw and trigonal bipyramidal
3 Tetrahedral, square planar and pentagonal bipyramidal
4 Trigonal bipyramidal, tetrahedral and square pyramidal
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313926 Give the correct order of initials \(\mathrm{T}\) or \(\mathrm{F}\) for following statements. Use \(\mathrm{T}\) if statement is true and \(\mathrm{F}\) if it is false
i) The order of repulsion between different pair of electrons is \({\text{1p - 1p > 1p - bp > bp - b p}}\)
ii) In general, as the number of lone pair of electrons on central atom increases, value of bond angle from normal bond angle also increases.
iii) The number of lone pairs on \(\mathrm{O}\) in \(\mathrm{H}_{2} \mathrm{O}\) is 2 while on \(\mathrm{N}\) in \(\mathrm{NH}_{3}\) is 1 .
iv) The structures of Xenon-fluorides and Xenon-oxyfluorides could not be explained on the basis of VSEPR theory.

1 T T T F
2 T F T F
3 T F T T
4 T F F F
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313927 Among the following, the pair in which the two species are not isostructural, is

1 \(\mathrm{SiF}_{4}\) and \(\mathrm{SF}_{4}\)
2 \(\mathrm{IO}_{3}^{-}\) and \(\mathrm{XeO}_{3}\)
3 \(\mathrm{BH}_{4}^{-}\) and \(\mathrm{NH}_{4}^{+}\)
4 \(\mathrm{PF}_{6}^{-}\) and \(\mathrm{SF}_{6}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313924 Which of the following is the correct increasing order of lone pair of electrons on the central atom?

1 \({\rm{I}}{{\rm{F}}_{\rm{7}}}{\rm{ < I}}{{\rm{F}}_{\rm{5}}}{\rm{ < Cl}}{{\rm{F}}_{\rm{3}}}{\rm{ < Xe}}{{\rm{F}}_{\rm{2}}}\)
2 \({\rm{I}}{{\rm{F}}_{\rm{7}}}{\rm{ < Xe}}{{\rm{F}}_{\rm{2}}}{\rm{ < Cl}}{{\rm{F}}_{\rm{3}}}{\rm{ < I}}{{\rm{F}}_{\rm{5}}}\)
3 \({\rm{I}}{{\rm{F}}_{\rm{7}}}{\rm{ < Cl}}{{\rm{F}}_{\rm{3}}}{\rm{ < Xe}}{{\rm{F}}_{\rm{2}}}{\rm{ < I}}{{\rm{F}}_{\rm{5}}}\)
4 \({\rm{I}}{{\rm{F}}_{\rm{7}}}{\rm{ < Xe}}{{\rm{F}}_{\rm{2}}}{\rm{ < I}}{{\rm{F}}_{\rm{5}}}{\rm{ < Cl}}{{\rm{F}}_{\rm{3}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313925 The shapes of \({\rm{PCl}}_{\rm{4}}^{\rm{ + }}{\rm{,}}\,\,{\rm{PCl}}_{\rm{4}}^{\rm{ - }}\,\,{\rm{and}}\,\,{\rm{AsC}}{{\rm{l}}_{\rm{5}}}\) are respectively

1 Square planar, tetrahedral and see-saw
2 Tetrahedral, see-saw and trigonal bipyramidal
3 Tetrahedral, square planar and pentagonal bipyramidal
4 Trigonal bipyramidal, tetrahedral and square pyramidal
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313926 Give the correct order of initials \(\mathrm{T}\) or \(\mathrm{F}\) for following statements. Use \(\mathrm{T}\) if statement is true and \(\mathrm{F}\) if it is false
i) The order of repulsion between different pair of electrons is \({\text{1p - 1p > 1p - bp > bp - b p}}\)
ii) In general, as the number of lone pair of electrons on central atom increases, value of bond angle from normal bond angle also increases.
iii) The number of lone pairs on \(\mathrm{O}\) in \(\mathrm{H}_{2} \mathrm{O}\) is 2 while on \(\mathrm{N}\) in \(\mathrm{NH}_{3}\) is 1 .
iv) The structures of Xenon-fluorides and Xenon-oxyfluorides could not be explained on the basis of VSEPR theory.

1 T T T F
2 T F T F
3 T F T T
4 T F F F
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313927 Among the following, the pair in which the two species are not isostructural, is

1 \(\mathrm{SiF}_{4}\) and \(\mathrm{SF}_{4}\)
2 \(\mathrm{IO}_{3}^{-}\) and \(\mathrm{XeO}_{3}\)
3 \(\mathrm{BH}_{4}^{-}\) and \(\mathrm{NH}_{4}^{+}\)
4 \(\mathrm{PF}_{6}^{-}\) and \(\mathrm{SF}_{6}\)