What are formal charges for sulfur S and oxygen O in dimethyl sulfoxide shown below: II / V O CIH HT :OIS: :0: -S-C H ΤῊ H-C OS formal charge = 0; O formal charge = 0 S formal charge = -1; O formal charge = +1 OS formal charge = +1; O formal charge = -1 S formal charge = +1; O formal charge = 0 ○ S formal charge = 0; O formal charge = +1 OS formal charge = 0; O formal charge = −1 OS formal charge = -1; O formal charge = 0 O None of the above

Chemistry
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Question:**
What are formal charges for sulfur (S) and oxygen (O) in dimethyl sulfoxide shown below:

**Structure:**
- A chemical structure for dimethyl sulfoxide (DMSO) is depicted. Sulfur (S) is single-bonded to two methyl groups (CH₃) and double-bonded to an oxygen (O) atom with two lone pairs of electrons.

**Answer Options:**

1. ○ S formal charge = 0; O formal charge = 0
2. ○ S formal charge = –1; O formal charge = +1
3. ○ S formal charge = +1; O formal charge = –1
4. ● S formal charge = +1; O formal charge = 0 
5. ○ S formal charge = 0; O formal charge = +1
6. ○ S formal charge = 0; O formal charge = –1
7. ○ S formal charge = –1; O formal charge = 0
8. ○ None of the above
Transcribed Image Text:**Question:** What are formal charges for sulfur (S) and oxygen (O) in dimethyl sulfoxide shown below: **Structure:** - A chemical structure for dimethyl sulfoxide (DMSO) is depicted. Sulfur (S) is single-bonded to two methyl groups (CH₃) and double-bonded to an oxygen (O) atom with two lone pairs of electrons. **Answer Options:** 1. ○ S formal charge = 0; O formal charge = 0 2. ○ S formal charge = –1; O formal charge = +1 3. ○ S formal charge = +1; O formal charge = –1 4. ● S formal charge = +1; O formal charge = 0 5. ○ S formal charge = 0; O formal charge = +1 6. ○ S formal charge = 0; O formal charge = –1 7. ○ S formal charge = –1; O formal charge = 0 8. ○ None of the above
Expert Solution
Step 1

The formula used for formal charge is ->

= V - N - B/2 

Where ,

V = number of valence electrons

N= number of nonbonding electron

B = total number of electrons shared in bonds .

 

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