Kossel - Lewis Approach to Chemical Bond Formation NEET Questions

Physical Chemistry - Chemical Bonding and Molecular Structure

Kossel - Lewis Approach to Chemical Bond Formation MCQ Questions


13.
The correct Lewis symbol for nitrogen is:
A.
N••
B.
N•
C.
N•••
D.
N with 5 dots around it
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ANSWER :
D. N with 5 dots around it
14.
Which statement is true regarding Lewis structures?
A.
Only single bonds are shown
B.
It depicts bonding electrons only
C.
It shows both bonding and non-bonding electrons
D.
It shows nucleus positions only
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ANSWER :
C. It shows both bonding and non-bonding electrons
15.
How many electrons are shared in a triple covalent bond?
A.
2
B.
4
C.
6
D.
8
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ANSWER :
C. 6
16.
Lewis symbols use dots to represent:
A.
Nuclear protons
B.
Bonding pairs
C.
Valence electrons
D.
All electrons
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ANSWER :
C. Valence electrons
17.
According to Kossel, ionic bonds form due to:
A.
Electron sharing
B.
Electron transfer
C.
Nucleus overlap
D.
Orbital hybridization
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ANSWER :
B. Electron transfer
18.
Which compound has a coordinate bond?
A.
HCl
B.
NH₄⁺
C.
NaCl
D.
CH₄
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ANSWER :
B. NH₄⁺