QQuestionBiochemistry
QuestionBiochemistry
# Write the following for $C S_{2}$ :
1. Lewis structure
2. Molecular geometry
3. Hybridization
4. Bond angle(2$)
5. Polarity
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Answer
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Step 1:: Determine the Lewis structure of CS₂
- CS₂ has a total of 6 valence electrons (4 from Carbon and 1 from each Sulfur atom). - To begin the Lewis structure, place the Sulfur atoms first with their shared electrons: ::"""""":: - Next, add the Carbon atom in the middle with its 4 valence electrons: ::C::""""S:: - Finally, distribute the remaining electrons to complete the octets for both Sulfur atoms: ::C::S:: - The Lewis structure for CS₂ is: ::C::S:: (There are no lone pairs on the central Carbon atom.)
Step 2:: Determine the molecular geometry of CS₂
- The molecular geometry of a molecule is determined by the number of atoms and lone pairs around the central atom. - In CS₂, there are 2 Sulfur atoms and no lone pairs around the central Carbon atom. - Therefore, the molecular geometry of CS₂ is linear.
Step 3:: Determine the hybridization of CS₂
- The hybridization of a molecule is determined by the number of electron groups (atoms or lone pairs) around the central atom. - In CS₂, there are 2 electron groups (2 Sulfur atoms) around the central Carbon atom. - Therefore, the hybridization of CS₂ is sp (linear geometry).
Step 4:: Determine the bond angle(s) in CS₂
- The bond angle in a linear molecule is typically 180°. - Therefore, the bond angle in CS₂ is 180°.
Step 5:: Determine the polarity of CS₂
- The polarity of a molecule depends on the difference in electronegativity between the atoms and the molecular geometry. - In CS₂, Sulfur (S) has an electronegativity of 2.58 and Carbon (C) has an electronegativity of 2.55. The difference is very small (0.03), which is not enough to create a polar covalent bond. - Additionally, CS₂ has a linear molecular geometry, which does not allow for a net dipole moment. - Therefore, CS₂ is a nonpolar molecule.
Final Answer
1. Lewis structure: ::C::S:: 2. Molecular geometry: Linear 3. Hybridization: sp 4. Bond angle(s): 180° 5. Polarity: Nonpolar
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