Welcome to the Ionic Character Of Covalent Bond MDCAT MCQs with Answers. In this post, we have shared Ionic Character Of Covalent Bond Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Chemistry offers a chance to enhance your knowledge regarding Ionic Character Of Covalent Bond MCQs in this MDCAT Online Test.
Which of the following factors increases the ionic character of a covalent bond?
a) Decreasing the difference in electronegativity
b) Increasing the size of the atoms involved
c) Increasing the difference in electronegativity
d) Increasing the bond length
In which of the following compounds is the covalent bond most ionic?
a) HCl
b) H₂O
c) HF
d) CH₄
The ionic character of a covalent bond increases with:
a) Decreasing atomic size
b) Increasing bond length
c) Decreasing electronegativity difference
d) Increasing atomic size
Which of the following pairs of elements will form a bond with the highest ionic character?
a) Na and Cl
b) H and Cl
c) C and O
d) N and H
The ionic character of a bond is highest when:
a) The atoms involved are of similar size
b) The atoms involved have similar electronegativity
c) The atoms involved have a large difference in electronegativity
d) The bond length is long
Which of the following molecules has the least ionic character?
a) NaCl
b) KBr
c) H₂O
d) HCl
The bond between which of the following elements is expected to be the most ionic?
a) Na and F
b) K and I
c) Mg and O
d) Al and Cl
What is the relationship between bond length and ionic character?
a) Shorter bonds are more ionic
b) Longer bonds are more ionic
c) Bond length does not affect ionic character
d) Bond length is inversely proportional to ionic character
The ionic character of a covalent bond can be estimated using:
a) Pauling’s scale
b) Fajans’ rules
c) VSEPR theory
d) Molecular orbital theory
According to Fajans’ rules, which factor increases the ionic character of a covalent bond?
a) Larger cation radius
b) Larger anion radius
c) Smaller cation radius
d) Larger bond length
In which of the following compounds is the ionic character of the bond highest?
a) HBr
b) HI
c) HCl
d) HF
Which type of bond is characterized by a high degree of ionic character?
a) Covalent bond
b) Non-polar covalent bond
c) Polar covalent bond
d) Metallic bond
Which pair of elements is likely to form a bond with the least ionic character?
a) Li and F
b) Na and O
c) C and F
d) Mg and Cl
Which of the following bonds will have the highest ionic character?
a) C-H
b) O-H
c) N-H
d) H-F
According to Fajans’ rules, which factor decreases the ionic character of a covalent bond?
a) High charge on the cation
b) Small size of the anion
c) Large size of the cation
d) Large size of the anion
The ionic character of a bond between two elements can be estimated by:
a) Their atomic masses
b) Their electronegativity difference
c) Their bond angles
d) Their bond lengths
The bond between which pair of elements has the highest ionic character?
a) K and Br
b) Mg and Cl
c) Al and O
d) Na and I
Which bond would be expected to have the highest ionic character based on Fajans’ rules?
a) A bond between a large anion and a small cation
b) A bond between a small anion and a large cation
c) A bond between atoms with similar sizes
d) A bond between atoms with similar electronegativities
Which of the following has the highest ionic bond character?
a) NaBr
b) NaCl
c) NaF
d) NaI
In which of the following compounds is the ionic character the lowest?
a) NaF
b) KBr
c) LiI
d) MgO
Which of the following bonds will have the highest ionic character?
a) C-O
b) H-O
c) Na-O
d) H-F
The ionic character of a bond is lowest in which of the following compounds?
a) LiBr
b) KCl
c) MgS
d) CCl₄
The greater the difference in electronegativity between two atoms, the:
a) More covalent the bond
b) More ionic the bond
c) Weaker the bond
d) Less polar the bond
In which of the following compounds is the ionic character of the bond highest?
a) H₂O
b) H₂S
c) H₂Se
d) H₂Te
In which of the following compounds is the bond most ionic?
a) HCl
b) HF
c) HBr
d) HI
According to Fajans’ rules, a small cation and a large anion will form a bond with:
a) High covalent character
b) Low covalent character
c) High ionic character
d) Low ionic character
The ionic character of a bond between two atoms is influenced by:
a) The atomic radius of the atoms
b) The bond length
c) The bond angle
d) The electronegativity difference
The ionic character of a bond in which of the following compounds is highest?
a) BeCl₂
b) MgCl₂
c) AlCl₃
d) KCl
Which of the following bonds is least likely to be ionic?
a) Na-I
b) Mg-F
c) Al-O
d) C-H
Which of the following compounds would you expect to have the highest ionic character?
a) HBr
b) HI
c) HF
d) HCl
The ionic character of a covalent bond decreases with:
a) Increasing difference in electronegativity
b) Increasing atomic size of the elements involved
c) Decreasing bond length
d) Increasing bond order
In which of the following bonds is the ionic character the least?
a) N-O
b) O-F
c) Na-Cl
d) C-F
The bond with the highest ionic character is between:
a) Na and Cl
b) K and Br
c) Mg and O
d) Ca and F
In which of the following compounds is the covalent bond most ionic?
a) AlCl₃
b) BeCl₂
c) NaCl
d) MgCl₂
The ionic character of a bond can be quantitatively measured using:
a) The dipole moment
b) The bond length
c) The bond energy
d) The bond order
Which of the following bonds would have the most ionic character?
a) C-O
b) N-O
c) O-F
d) S-Cl
The ionic character of a bond is highest in which compound?
a) LiCl
b) NaF
c) MgCl₂
d) AlF₃
In which of the following cases would you expect a bond to be least ionic?
a) Cl-Cl
b) Na-I
c) Mg-O
d) K-Br
According to Fajans’ rules, which factor decreases the ionic character of a bond?
a) Large size of the anion
b) Small size of the cation
c) High charge on the cation
d) High polarization of the anion
In which of the following pairs is the ionic character of the bond expected to be highest?
a) Na-I
b) Mg-F
c) Al-Cl
d) K-Br
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