Ionic Bonding (Formation of Ionic Bonds, Factors Affecting the Formation of Ionic Bonds; Calculation of Lattice Enthalpy ) NEET Questions

Physical Chemistry - Chemical Bonding and Molecular Structure

Ionic Bonding (Formation of Ionic Bonds, Factors Affecting the Formation of Ionic Bonds; Calculation of Lattice Enthalpy ) MCQ Questions


1.
Ionic bonds are formed due to:
A.
Sharing of electrons
B.
Transfer of electrons
C.
Overlap of orbitals
D.
Equal electronegativities
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ANSWER :
B. Transfer of electrons
2.
Which of the following is an example of an ionic compound?
A.
H₂O
B.
CO₂
C.
MgCl₂
D.
NH₃
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ANSWER :
C. MgCl₂
3.
The formation of NaCl involves:
A.
Gain of electrons by Na
B.
Gain of electrons by Cl
C.
Sharing between Na and Cl
D.
Double bond formation
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ANSWER :
B. Gain of electrons by Cl
4.
Lattice enthalpy is defined as:
A.
Heat released during melting
B.
Heat required to form a mole of ions
C.
Heat released when one mole of an ionic solid forms from gaseous ions
D.
Heat of vaporization
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ANSWER :
C. Heat released when one mole of an ionic solid forms from gaseous ions
5.
Which of the following favors the formation of ionic bond?
A.
High ionization energy
B.
Low lattice enthalpy
C.
High electron affinity of anion
D.
Low electron affinity of anion
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ANSWER :
C. High electron affinity of anion
6.
Formation of NaCl from Na and Cl atoms involves

NEET - 2023

A.
Transfer of 2 electrons
B.
Sharing of electrons
C.
Transfer of 1 electron from Na to Cl
D.
Transfer of 1 electron from Cl to Na
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ANSWER :
C. Transfer of 1 electron from Na to Cl