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Concept explainers
(a)
Interpretation: The Lewis dot structure and structural formula of SiF4 needs to be drawn.
Concept Introduction: Valence electrons are involved in covalent bonding where sharing of electrons takes place.
(a)
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Explanation of Solution
Lewis dot structure can be drawn with the help of valence electrons. Silicon has 4 valence electrons, Fluorine has 7 valence electrons. To complete the octet, Si will share 4 electrons, one electron each with fluorine.
Thus, the Lewis dot structure and structural formula of SiF4is represented as follows:
(b)
Interpretation: The Lewis dot structure and structural formula of CO2 needs to be drawn.
Concept Introduction: Valence electrons are involved in covalent bonding where sharing of electrons takes place.
(b)
![Check Mark](/static/check-mark.png)
Explanation of Solution
Lewis dot structure can be drawn with the help of valence electrons. Carbon has 4 valence electrons, oxygen has 6 valence electrons. To complete the octet, carbon will share 4 electrons, two electrons each with oxygen and form double covalent bond.
(c)
Interpretation: The Lewis dot structure and structural formula of CH4 needs to be drawn.
Concept Introduction: Valence electrons are involved in covalent bonding where sharing of electrons takes place.
(c)
![Check Mark](/static/check-mark.png)
Explanation of Solution
Lewis dot structure can be drawn with the help of valence electrons. Carbon has 4 valence electrons, hydrogen has one valence electrons. To complete the octet, carbon will share 4 electrons, one electron each with hydrogen and form single covalent bond.
(d)
Interpretation: The Lewis dot structure and structural formula of SF2 needs to be drawn.
Concept Introduction: Valence electrons are involved in covalent bonding where sharing of electrons takes place.
(d)
![Check Mark](/static/check-mark.png)
Explanation of Solution
Lewis dot structure can be drawn with the help of valence electrons. Sulphur has 6 valence electrons, Fluorine has 7 valence electrons. To complete the octet, sulphur will share 2 electrons, one electron each with fluorine and form single covalent bond.
(e)
Interpretation: The Lewis dot structure and structural formula of C2H4needs to be drawn.
Concept Introduction: Valence electrons are involved in covalent bonding where sharing of electrons takes place.
(e)
![Check Mark](/static/check-mark.png)
Explanation of Solution
Carbon has 4 valence electrons, hydrogen has one valence electrons. To complete the octet, carbon will share 4 electrons, one electron each with hydrogen and form single covalent bond.
When carbon shares two electrons with other carbon atom, it forms double bond.
(f)
Interpretation: The Lewis dot structure and structural formula of C2H2 needs to be drawn.
Concept Introduction: Valence electrons are involved in covalent bonding where sharing of electrons takes place.
(f)
![Check Mark](/static/check-mark.png)
Explanation of Solution
Carbon has 4 valence electrons, hydrogen has one valence electrons. To complete the octet, carbon will share 4 electrons, one electron each with hydrogen and form single covalent bond.
When carbon share three electrons with other carbon atom, it forms triple bond.
(g)
Interpretation: The Lewis dot structure and structural formula of C2H6needs to be drawn.
Concept Introduction: Valence electrons are involved in covalent bonding where sharing of electrons takes place.
(g)
![Check Mark](/static/check-mark.png)
Explanation of Solution
Carbon has 4 valence electrons, hydrogen has one valence electrons. To complete the octet, carbon will share 4 electrons, one electron each with hydrogen and form single covalent bond.
Chapter U2 Solutions
Living By Chemistry: First Edition Textbook
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