313587
The ratio of hybrid and unhybrid orbitals involved in the bonding of a benzene molecule is
1 \({\rm{3:2}}\)
2 \({\rm{1:1}}\)
3 \({\rm{3:1}}\)
4 \({\rm{1:3}}\)
Explanation:
Six carbon atoms undergo \({\rm{s}}{{\rm{p}}^{\rm{2}}}\) hybridization. So, 18 hybrid orbitals & 6 pure orbitals from carbon & 6 pure orbitals from ‘H’ atoms.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313532
Assertion : In \(\mathrm{SF}_{6}\), molecule, \(\mathrm{F}-\mathrm{S}-\mathrm{F}\) bond angle is \(90^{\circ}\). Reason : \(\mathrm{SF}_{6}\) molecule has octahedral geometry with \(\mathrm{sp}^{3} \mathrm{~d}^{2}\) hybridisation.
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 Both Assertion and Reason are incorrect
Explanation:
Formation of \(\mathrm{SF}_{6}: \mathrm{InSF}_{6}\), the central sulphur atom has the ground state outer electronic configuration \({\text{3}}{{\text{s}}^{\text{2}}}{\text{ 3}}{{\text{p}}^{\text{4}}}\) In the excited state, the available six orbitals i.e. one \(\mathrm{s}\), three \(\mathrm{p}\) and two \(\mathrm{d}\) are singly occupied by electrons. These orbitals hybridise to form six new \(\mathrm{sp}^{3} \mathrm{~d}^{2}\) hybrid orbitals which are projected towards the six corners of a regular octahedron in \(\mathrm{SF}_{6}\). In this, \(\mathrm{F}-\mathrm{S}-\mathrm{F}\) bond angle are \(90^{\circ}\) and \(180^{\circ}\).
AIIMS - 2017
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313533
The structure of \(\mathrm{NO}_{3}^{-}\) ion is
1 triangle
2 tetrahedral
3 equilateral triangle
4 planar.
Explanation:
\({\rm{H}} = \frac{1}{2}({\rm{V}} + {\rm{M}} - {\rm{C}} + {\rm{A}})\) where H = No of orbitals involved in hybridisation V = No.of valance electrons of central atom M = No. of monovalent atoms linked with central atom C = Charge on the cation A = Charge on the anion \({\rm{H}} = \frac{1}{2}[5 + 0 - 0 + 1] = 3,{\rm{s}}{{\rm{p}}^2}\) hybridisation So, structure is triangular planar.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313534
Read Assertion and Reason carefully to mark the correct option given below. Assertion : p-dimethoxy benzene is polar molecule. Reason : The two methoxy groups at para positions are located as
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.
Explanation:
p-dimethoxy benzene is polar and both the \(-\mathrm{OCH}_{3}\) groups are at 1,4 positions. The reason is not the required explanation for assertion.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313535
In which of the following molecules/ions, the central atom does not involve a d-orbital in the hybridisation process ?
313587
The ratio of hybrid and unhybrid orbitals involved in the bonding of a benzene molecule is
1 \({\rm{3:2}}\)
2 \({\rm{1:1}}\)
3 \({\rm{3:1}}\)
4 \({\rm{1:3}}\)
Explanation:
Six carbon atoms undergo \({\rm{s}}{{\rm{p}}^{\rm{2}}}\) hybridization. So, 18 hybrid orbitals & 6 pure orbitals from carbon & 6 pure orbitals from ‘H’ atoms.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313532
Assertion : In \(\mathrm{SF}_{6}\), molecule, \(\mathrm{F}-\mathrm{S}-\mathrm{F}\) bond angle is \(90^{\circ}\). Reason : \(\mathrm{SF}_{6}\) molecule has octahedral geometry with \(\mathrm{sp}^{3} \mathrm{~d}^{2}\) hybridisation.
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 Both Assertion and Reason are incorrect
Explanation:
Formation of \(\mathrm{SF}_{6}: \mathrm{InSF}_{6}\), the central sulphur atom has the ground state outer electronic configuration \({\text{3}}{{\text{s}}^{\text{2}}}{\text{ 3}}{{\text{p}}^{\text{4}}}\) In the excited state, the available six orbitals i.e. one \(\mathrm{s}\), three \(\mathrm{p}\) and two \(\mathrm{d}\) are singly occupied by electrons. These orbitals hybridise to form six new \(\mathrm{sp}^{3} \mathrm{~d}^{2}\) hybrid orbitals which are projected towards the six corners of a regular octahedron in \(\mathrm{SF}_{6}\). In this, \(\mathrm{F}-\mathrm{S}-\mathrm{F}\) bond angle are \(90^{\circ}\) and \(180^{\circ}\).
AIIMS - 2017
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313533
The structure of \(\mathrm{NO}_{3}^{-}\) ion is
1 triangle
2 tetrahedral
3 equilateral triangle
4 planar.
Explanation:
\({\rm{H}} = \frac{1}{2}({\rm{V}} + {\rm{M}} - {\rm{C}} + {\rm{A}})\) where H = No of orbitals involved in hybridisation V = No.of valance electrons of central atom M = No. of monovalent atoms linked with central atom C = Charge on the cation A = Charge on the anion \({\rm{H}} = \frac{1}{2}[5 + 0 - 0 + 1] = 3,{\rm{s}}{{\rm{p}}^2}\) hybridisation So, structure is triangular planar.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313534
Read Assertion and Reason carefully to mark the correct option given below. Assertion : p-dimethoxy benzene is polar molecule. Reason : The two methoxy groups at para positions are located as
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.
Explanation:
p-dimethoxy benzene is polar and both the \(-\mathrm{OCH}_{3}\) groups are at 1,4 positions. The reason is not the required explanation for assertion.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313535
In which of the following molecules/ions, the central atom does not involve a d-orbital in the hybridisation process ?
313587
The ratio of hybrid and unhybrid orbitals involved in the bonding of a benzene molecule is
1 \({\rm{3:2}}\)
2 \({\rm{1:1}}\)
3 \({\rm{3:1}}\)
4 \({\rm{1:3}}\)
Explanation:
Six carbon atoms undergo \({\rm{s}}{{\rm{p}}^{\rm{2}}}\) hybridization. So, 18 hybrid orbitals & 6 pure orbitals from carbon & 6 pure orbitals from ‘H’ atoms.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313532
Assertion : In \(\mathrm{SF}_{6}\), molecule, \(\mathrm{F}-\mathrm{S}-\mathrm{F}\) bond angle is \(90^{\circ}\). Reason : \(\mathrm{SF}_{6}\) molecule has octahedral geometry with \(\mathrm{sp}^{3} \mathrm{~d}^{2}\) hybridisation.
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 Both Assertion and Reason are incorrect
Explanation:
Formation of \(\mathrm{SF}_{6}: \mathrm{InSF}_{6}\), the central sulphur atom has the ground state outer electronic configuration \({\text{3}}{{\text{s}}^{\text{2}}}{\text{ 3}}{{\text{p}}^{\text{4}}}\) In the excited state, the available six orbitals i.e. one \(\mathrm{s}\), three \(\mathrm{p}\) and two \(\mathrm{d}\) are singly occupied by electrons. These orbitals hybridise to form six new \(\mathrm{sp}^{3} \mathrm{~d}^{2}\) hybrid orbitals which are projected towards the six corners of a regular octahedron in \(\mathrm{SF}_{6}\). In this, \(\mathrm{F}-\mathrm{S}-\mathrm{F}\) bond angle are \(90^{\circ}\) and \(180^{\circ}\).
AIIMS - 2017
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313533
The structure of \(\mathrm{NO}_{3}^{-}\) ion is
1 triangle
2 tetrahedral
3 equilateral triangle
4 planar.
Explanation:
\({\rm{H}} = \frac{1}{2}({\rm{V}} + {\rm{M}} - {\rm{C}} + {\rm{A}})\) where H = No of orbitals involved in hybridisation V = No.of valance electrons of central atom M = No. of monovalent atoms linked with central atom C = Charge on the cation A = Charge on the anion \({\rm{H}} = \frac{1}{2}[5 + 0 - 0 + 1] = 3,{\rm{s}}{{\rm{p}}^2}\) hybridisation So, structure is triangular planar.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313534
Read Assertion and Reason carefully to mark the correct option given below. Assertion : p-dimethoxy benzene is polar molecule. Reason : The two methoxy groups at para positions are located as
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.
Explanation:
p-dimethoxy benzene is polar and both the \(-\mathrm{OCH}_{3}\) groups are at 1,4 positions. The reason is not the required explanation for assertion.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313535
In which of the following molecules/ions, the central atom does not involve a d-orbital in the hybridisation process ?
313587
The ratio of hybrid and unhybrid orbitals involved in the bonding of a benzene molecule is
1 \({\rm{3:2}}\)
2 \({\rm{1:1}}\)
3 \({\rm{3:1}}\)
4 \({\rm{1:3}}\)
Explanation:
Six carbon atoms undergo \({\rm{s}}{{\rm{p}}^{\rm{2}}}\) hybridization. So, 18 hybrid orbitals & 6 pure orbitals from carbon & 6 pure orbitals from ‘H’ atoms.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313532
Assertion : In \(\mathrm{SF}_{6}\), molecule, \(\mathrm{F}-\mathrm{S}-\mathrm{F}\) bond angle is \(90^{\circ}\). Reason : \(\mathrm{SF}_{6}\) molecule has octahedral geometry with \(\mathrm{sp}^{3} \mathrm{~d}^{2}\) hybridisation.
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 Both Assertion and Reason are incorrect
Explanation:
Formation of \(\mathrm{SF}_{6}: \mathrm{InSF}_{6}\), the central sulphur atom has the ground state outer electronic configuration \({\text{3}}{{\text{s}}^{\text{2}}}{\text{ 3}}{{\text{p}}^{\text{4}}}\) In the excited state, the available six orbitals i.e. one \(\mathrm{s}\), three \(\mathrm{p}\) and two \(\mathrm{d}\) are singly occupied by electrons. These orbitals hybridise to form six new \(\mathrm{sp}^{3} \mathrm{~d}^{2}\) hybrid orbitals which are projected towards the six corners of a regular octahedron in \(\mathrm{SF}_{6}\). In this, \(\mathrm{F}-\mathrm{S}-\mathrm{F}\) bond angle are \(90^{\circ}\) and \(180^{\circ}\).
AIIMS - 2017
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313533
The structure of \(\mathrm{NO}_{3}^{-}\) ion is
1 triangle
2 tetrahedral
3 equilateral triangle
4 planar.
Explanation:
\({\rm{H}} = \frac{1}{2}({\rm{V}} + {\rm{M}} - {\rm{C}} + {\rm{A}})\) where H = No of orbitals involved in hybridisation V = No.of valance electrons of central atom M = No. of monovalent atoms linked with central atom C = Charge on the cation A = Charge on the anion \({\rm{H}} = \frac{1}{2}[5 + 0 - 0 + 1] = 3,{\rm{s}}{{\rm{p}}^2}\) hybridisation So, structure is triangular planar.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313534
Read Assertion and Reason carefully to mark the correct option given below. Assertion : p-dimethoxy benzene is polar molecule. Reason : The two methoxy groups at para positions are located as
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.
Explanation:
p-dimethoxy benzene is polar and both the \(-\mathrm{OCH}_{3}\) groups are at 1,4 positions. The reason is not the required explanation for assertion.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313535
In which of the following molecules/ions, the central atom does not involve a d-orbital in the hybridisation process ?
313587
The ratio of hybrid and unhybrid orbitals involved in the bonding of a benzene molecule is
1 \({\rm{3:2}}\)
2 \({\rm{1:1}}\)
3 \({\rm{3:1}}\)
4 \({\rm{1:3}}\)
Explanation:
Six carbon atoms undergo \({\rm{s}}{{\rm{p}}^{\rm{2}}}\) hybridization. So, 18 hybrid orbitals & 6 pure orbitals from carbon & 6 pure orbitals from ‘H’ atoms.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313532
Assertion : In \(\mathrm{SF}_{6}\), molecule, \(\mathrm{F}-\mathrm{S}-\mathrm{F}\) bond angle is \(90^{\circ}\). Reason : \(\mathrm{SF}_{6}\) molecule has octahedral geometry with \(\mathrm{sp}^{3} \mathrm{~d}^{2}\) hybridisation.
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 Both Assertion and Reason are incorrect
Explanation:
Formation of \(\mathrm{SF}_{6}: \mathrm{InSF}_{6}\), the central sulphur atom has the ground state outer electronic configuration \({\text{3}}{{\text{s}}^{\text{2}}}{\text{ 3}}{{\text{p}}^{\text{4}}}\) In the excited state, the available six orbitals i.e. one \(\mathrm{s}\), three \(\mathrm{p}\) and two \(\mathrm{d}\) are singly occupied by electrons. These orbitals hybridise to form six new \(\mathrm{sp}^{3} \mathrm{~d}^{2}\) hybrid orbitals which are projected towards the six corners of a regular octahedron in \(\mathrm{SF}_{6}\). In this, \(\mathrm{F}-\mathrm{S}-\mathrm{F}\) bond angle are \(90^{\circ}\) and \(180^{\circ}\).
AIIMS - 2017
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313533
The structure of \(\mathrm{NO}_{3}^{-}\) ion is
1 triangle
2 tetrahedral
3 equilateral triangle
4 planar.
Explanation:
\({\rm{H}} = \frac{1}{2}({\rm{V}} + {\rm{M}} - {\rm{C}} + {\rm{A}})\) where H = No of orbitals involved in hybridisation V = No.of valance electrons of central atom M = No. of monovalent atoms linked with central atom C = Charge on the cation A = Charge on the anion \({\rm{H}} = \frac{1}{2}[5 + 0 - 0 + 1] = 3,{\rm{s}}{{\rm{p}}^2}\) hybridisation So, structure is triangular planar.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313534
Read Assertion and Reason carefully to mark the correct option given below. Assertion : p-dimethoxy benzene is polar molecule. Reason : The two methoxy groups at para positions are located as
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.
Explanation:
p-dimethoxy benzene is polar and both the \(-\mathrm{OCH}_{3}\) groups are at 1,4 positions. The reason is not the required explanation for assertion.
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE
313535
In which of the following molecules/ions, the central atom does not involve a d-orbital in the hybridisation process ?
