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


13.
Which of the following is true for ionic compounds?
A.
Low melting points
B.
Soft solids
C.
Poor conductivity in molten state
D.
High melting points
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ANSWER :
D. High melting points
14.
Which compound has the highest lattice enthalpy?

NEET - 2020

A.
NaCl
B.
KCl
C.
MgO
D.
CaO
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ANSWER :
C. MgO
15.
Ionic compounds conduct electricity in:
A.
Solid state
B.
Dry state
C.
Aqueous or molten state
D.
Gaseous state
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ANSWER :
C. Aqueous or molten state
16.
Which of the following is not an ionic compound?
A.
KCl
B.
BaCl₂
C.
SO₂
D.
MgO
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ANSWER :
C. SO₂
17.
The strength of ionic bond increases with

NEET - 2019

A.
Increase in ionic size
B.
Decrease in charge on ions
C.
Increase in charge and decrease in size
D.
Decrease in electronegativity
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ANSWER :
C. Increase in charge and decrease in size
18.
Ionic bond is formed when

NEET - 2015

A.
The electronegativity difference is large
B.
Two non-metals combine
C.
Two atoms share electrons
D.
A metal and a metalloid combine
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ANSWER :
A. The electronegativity difference is large