Polarisation and Fajans' Rules
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313827 Which of the following has highest ionic character?

1 \({\rm{MgC}}{{\rm{l}}_{\rm{2}}}\)
2 \({\rm{CaC}}{{\rm{l}}_{\rm{2}}}\)
3 \({\rm{BaC}}{{\rm{l}}_{\rm{2}}}\)
4 \({\rm{BeC}}{{\rm{l}}_{\rm{2}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313828 Anhydrous \({\rm{AlC}}{{\rm{l}}_{\rm{3}}}\) is covalent while \({\rm{Al}}{{\rm{F}}_{\rm{3}}}\) is ionic. This is justified by

1 Crystal structure
2 VB theory
3 Fajan's rules
4 Lattice enthalpy
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313829 Arrange the bonds in order of increasing ionic character in the molecules :
\({\mathrm{\mathrm{LiF}, \mathrm{K}_{2} \mathrm{O}, \mathrm{N}_{2}, \mathrm{SO}_{2}}}\) and \({\mathrm{\mathrm{ClF}_{3}}}\).

1 \({\mathrm{\mathrm{N}_{2} < \mathrm{SO}_{2} < \mathrm{ClF}_{3} < \mathrm{K}_{2} \mathrm{O} < \mathrm{LiF}}}\)
2 \({\mathrm{\mathrm{ClF}_{3} < \mathrm{N}_{2} < \mathrm{SO}_{2} < \mathrm{K}_{2} \mathrm{O} < \mathrm{LiF}}}\)
3 \({\mathrm{\mathrm{LiF} < \mathrm{K}_{2} \mathrm{O} < \mathrm{ClF}_{3} < \mathrm{SO}_{2} < \mathrm{N}_{2}}}\)
4 \({\mathrm{\mathrm{N}_{2} < \mathrm{ClF}_{3} < \mathrm{SO}_{2} < \mathrm{K}_{2} \mathrm{O} < \mathrm{LiF}}}\)
JEE Main - 2024
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313830 Amongst \({\rm{LiCl,}}\,\,{\rm{RbCl,}}\,\,{\rm{BeC}}{{\rm{l}}_{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{MgC}}{{\rm{l}}_{\rm{2}}}\) the compounds with the greatest and the least ionic character, respectively are:

1 \({\rm{LiCl}}\,\,{\rm{and}}\,\,{\rm{RbCl}}\)
2 \({\rm{RbCl}}\,\,{\rm{and}}\,\,{\rm{BeC}}{{\rm{l}}_{\rm{2}}}\)
3 \({\rm{MgC}}{{\rm{l}}_{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{BeC}}{{\rm{l}}_{\rm{2}}}\)
4 \({\rm{RbCl}}\,\,{\rm{and}}\,\,{\rm{MgC}}{{\rm{l}}_{\rm{2}}}\)
JEE - 2014
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313831 Most ionic compound among the following is

1 Sodium fluoride
2 Sodium chloride
3 Sodium bromide
4 Sodium iodide
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313827 Which of the following has highest ionic character?

1 \({\rm{MgC}}{{\rm{l}}_{\rm{2}}}\)
2 \({\rm{CaC}}{{\rm{l}}_{\rm{2}}}\)
3 \({\rm{BaC}}{{\rm{l}}_{\rm{2}}}\)
4 \({\rm{BeC}}{{\rm{l}}_{\rm{2}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313828 Anhydrous \({\rm{AlC}}{{\rm{l}}_{\rm{3}}}\) is covalent while \({\rm{Al}}{{\rm{F}}_{\rm{3}}}\) is ionic. This is justified by

1 Crystal structure
2 VB theory
3 Fajan's rules
4 Lattice enthalpy
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313829 Arrange the bonds in order of increasing ionic character in the molecules :
\({\mathrm{\mathrm{LiF}, \mathrm{K}_{2} \mathrm{O}, \mathrm{N}_{2}, \mathrm{SO}_{2}}}\) and \({\mathrm{\mathrm{ClF}_{3}}}\).

1 \({\mathrm{\mathrm{N}_{2} < \mathrm{SO}_{2} < \mathrm{ClF}_{3} < \mathrm{K}_{2} \mathrm{O} < \mathrm{LiF}}}\)
2 \({\mathrm{\mathrm{ClF}_{3} < \mathrm{N}_{2} < \mathrm{SO}_{2} < \mathrm{K}_{2} \mathrm{O} < \mathrm{LiF}}}\)
3 \({\mathrm{\mathrm{LiF} < \mathrm{K}_{2} \mathrm{O} < \mathrm{ClF}_{3} < \mathrm{SO}_{2} < \mathrm{N}_{2}}}\)
4 \({\mathrm{\mathrm{N}_{2} < \mathrm{ClF}_{3} < \mathrm{SO}_{2} < \mathrm{K}_{2} \mathrm{O} < \mathrm{LiF}}}\)
JEE Main - 2024
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313830 Amongst \({\rm{LiCl,}}\,\,{\rm{RbCl,}}\,\,{\rm{BeC}}{{\rm{l}}_{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{MgC}}{{\rm{l}}_{\rm{2}}}\) the compounds with the greatest and the least ionic character, respectively are:

1 \({\rm{LiCl}}\,\,{\rm{and}}\,\,{\rm{RbCl}}\)
2 \({\rm{RbCl}}\,\,{\rm{and}}\,\,{\rm{BeC}}{{\rm{l}}_{\rm{2}}}\)
3 \({\rm{MgC}}{{\rm{l}}_{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{BeC}}{{\rm{l}}_{\rm{2}}}\)
4 \({\rm{RbCl}}\,\,{\rm{and}}\,\,{\rm{MgC}}{{\rm{l}}_{\rm{2}}}\)
JEE - 2014
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313831 Most ionic compound among the following is

1 Sodium fluoride
2 Sodium chloride
3 Sodium bromide
4 Sodium iodide
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313827 Which of the following has highest ionic character?

1 \({\rm{MgC}}{{\rm{l}}_{\rm{2}}}\)
2 \({\rm{CaC}}{{\rm{l}}_{\rm{2}}}\)
3 \({\rm{BaC}}{{\rm{l}}_{\rm{2}}}\)
4 \({\rm{BeC}}{{\rm{l}}_{\rm{2}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313828 Anhydrous \({\rm{AlC}}{{\rm{l}}_{\rm{3}}}\) is covalent while \({\rm{Al}}{{\rm{F}}_{\rm{3}}}\) is ionic. This is justified by

1 Crystal structure
2 VB theory
3 Fajan's rules
4 Lattice enthalpy
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313829 Arrange the bonds in order of increasing ionic character in the molecules :
\({\mathrm{\mathrm{LiF}, \mathrm{K}_{2} \mathrm{O}, \mathrm{N}_{2}, \mathrm{SO}_{2}}}\) and \({\mathrm{\mathrm{ClF}_{3}}}\).

1 \({\mathrm{\mathrm{N}_{2} < \mathrm{SO}_{2} < \mathrm{ClF}_{3} < \mathrm{K}_{2} \mathrm{O} < \mathrm{LiF}}}\)
2 \({\mathrm{\mathrm{ClF}_{3} < \mathrm{N}_{2} < \mathrm{SO}_{2} < \mathrm{K}_{2} \mathrm{O} < \mathrm{LiF}}}\)
3 \({\mathrm{\mathrm{LiF} < \mathrm{K}_{2} \mathrm{O} < \mathrm{ClF}_{3} < \mathrm{SO}_{2} < \mathrm{N}_{2}}}\)
4 \({\mathrm{\mathrm{N}_{2} < \mathrm{ClF}_{3} < \mathrm{SO}_{2} < \mathrm{K}_{2} \mathrm{O} < \mathrm{LiF}}}\)
JEE Main - 2024
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313830 Amongst \({\rm{LiCl,}}\,\,{\rm{RbCl,}}\,\,{\rm{BeC}}{{\rm{l}}_{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{MgC}}{{\rm{l}}_{\rm{2}}}\) the compounds with the greatest and the least ionic character, respectively are:

1 \({\rm{LiCl}}\,\,{\rm{and}}\,\,{\rm{RbCl}}\)
2 \({\rm{RbCl}}\,\,{\rm{and}}\,\,{\rm{BeC}}{{\rm{l}}_{\rm{2}}}\)
3 \({\rm{MgC}}{{\rm{l}}_{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{BeC}}{{\rm{l}}_{\rm{2}}}\)
4 \({\rm{RbCl}}\,\,{\rm{and}}\,\,{\rm{MgC}}{{\rm{l}}_{\rm{2}}}\)
JEE - 2014
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313831 Most ionic compound among the following is

1 Sodium fluoride
2 Sodium chloride
3 Sodium bromide
4 Sodium iodide
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313827 Which of the following has highest ionic character?

1 \({\rm{MgC}}{{\rm{l}}_{\rm{2}}}\)
2 \({\rm{CaC}}{{\rm{l}}_{\rm{2}}}\)
3 \({\rm{BaC}}{{\rm{l}}_{\rm{2}}}\)
4 \({\rm{BeC}}{{\rm{l}}_{\rm{2}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313828 Anhydrous \({\rm{AlC}}{{\rm{l}}_{\rm{3}}}\) is covalent while \({\rm{Al}}{{\rm{F}}_{\rm{3}}}\) is ionic. This is justified by

1 Crystal structure
2 VB theory
3 Fajan's rules
4 Lattice enthalpy
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313829 Arrange the bonds in order of increasing ionic character in the molecules :
\({\mathrm{\mathrm{LiF}, \mathrm{K}_{2} \mathrm{O}, \mathrm{N}_{2}, \mathrm{SO}_{2}}}\) and \({\mathrm{\mathrm{ClF}_{3}}}\).

1 \({\mathrm{\mathrm{N}_{2} < \mathrm{SO}_{2} < \mathrm{ClF}_{3} < \mathrm{K}_{2} \mathrm{O} < \mathrm{LiF}}}\)
2 \({\mathrm{\mathrm{ClF}_{3} < \mathrm{N}_{2} < \mathrm{SO}_{2} < \mathrm{K}_{2} \mathrm{O} < \mathrm{LiF}}}\)
3 \({\mathrm{\mathrm{LiF} < \mathrm{K}_{2} \mathrm{O} < \mathrm{ClF}_{3} < \mathrm{SO}_{2} < \mathrm{N}_{2}}}\)
4 \({\mathrm{\mathrm{N}_{2} < \mathrm{ClF}_{3} < \mathrm{SO}_{2} < \mathrm{K}_{2} \mathrm{O} < \mathrm{LiF}}}\)
JEE Main - 2024
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313830 Amongst \({\rm{LiCl,}}\,\,{\rm{RbCl,}}\,\,{\rm{BeC}}{{\rm{l}}_{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{MgC}}{{\rm{l}}_{\rm{2}}}\) the compounds with the greatest and the least ionic character, respectively are:

1 \({\rm{LiCl}}\,\,{\rm{and}}\,\,{\rm{RbCl}}\)
2 \({\rm{RbCl}}\,\,{\rm{and}}\,\,{\rm{BeC}}{{\rm{l}}_{\rm{2}}}\)
3 \({\rm{MgC}}{{\rm{l}}_{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{BeC}}{{\rm{l}}_{\rm{2}}}\)
4 \({\rm{RbCl}}\,\,{\rm{and}}\,\,{\rm{MgC}}{{\rm{l}}_{\rm{2}}}\)
JEE - 2014
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313831 Most ionic compound among the following is

1 Sodium fluoride
2 Sodium chloride
3 Sodium bromide
4 Sodium iodide
Join With Us for More Updates
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313827 Which of the following has highest ionic character?

1 \({\rm{MgC}}{{\rm{l}}_{\rm{2}}}\)
2 \({\rm{CaC}}{{\rm{l}}_{\rm{2}}}\)
3 \({\rm{BaC}}{{\rm{l}}_{\rm{2}}}\)
4 \({\rm{BeC}}{{\rm{l}}_{\rm{2}}}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313828 Anhydrous \({\rm{AlC}}{{\rm{l}}_{\rm{3}}}\) is covalent while \({\rm{Al}}{{\rm{F}}_{\rm{3}}}\) is ionic. This is justified by

1 Crystal structure
2 VB theory
3 Fajan's rules
4 Lattice enthalpy
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313829 Arrange the bonds in order of increasing ionic character in the molecules :
\({\mathrm{\mathrm{LiF}, \mathrm{K}_{2} \mathrm{O}, \mathrm{N}_{2}, \mathrm{SO}_{2}}}\) and \({\mathrm{\mathrm{ClF}_{3}}}\).

1 \({\mathrm{\mathrm{N}_{2} < \mathrm{SO}_{2} < \mathrm{ClF}_{3} < \mathrm{K}_{2} \mathrm{O} < \mathrm{LiF}}}\)
2 \({\mathrm{\mathrm{ClF}_{3} < \mathrm{N}_{2} < \mathrm{SO}_{2} < \mathrm{K}_{2} \mathrm{O} < \mathrm{LiF}}}\)
3 \({\mathrm{\mathrm{LiF} < \mathrm{K}_{2} \mathrm{O} < \mathrm{ClF}_{3} < \mathrm{SO}_{2} < \mathrm{N}_{2}}}\)
4 \({\mathrm{\mathrm{N}_{2} < \mathrm{ClF}_{3} < \mathrm{SO}_{2} < \mathrm{K}_{2} \mathrm{O} < \mathrm{LiF}}}\)
JEE Main - 2024
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313830 Amongst \({\rm{LiCl,}}\,\,{\rm{RbCl,}}\,\,{\rm{BeC}}{{\rm{l}}_{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{MgC}}{{\rm{l}}_{\rm{2}}}\) the compounds with the greatest and the least ionic character, respectively are:

1 \({\rm{LiCl}}\,\,{\rm{and}}\,\,{\rm{RbCl}}\)
2 \({\rm{RbCl}}\,\,{\rm{and}}\,\,{\rm{BeC}}{{\rm{l}}_{\rm{2}}}\)
3 \({\rm{MgC}}{{\rm{l}}_{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{BeC}}{{\rm{l}}_{\rm{2}}}\)
4 \({\rm{RbCl}}\,\,{\rm{and}}\,\,{\rm{MgC}}{{\rm{l}}_{\rm{2}}}\)
JEE - 2014
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313831 Most ionic compound among the following is

1 Sodium fluoride
2 Sodium chloride
3 Sodium bromide
4 Sodium iodide