Question 23 Which of the following is (are) valid Lewis structure(s) for the anion (HCONCH3) C AHN ОАА O B. B OC.C Н Н H OD.D EE B. он Co Η Ν΄ Η H ОН Н C. CC H NEH D. Both A and B E. A, B and C

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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**Question 23**

Which of the following is (are) valid Lewis structure(s) for the anion (HCONCH₃)⁻?

A. ![Structure A: HCONCH₃](https://example.com/structureA)
B. ![Structure B: HCONCH₃](https://example.com/structureB)
C. ![Structure C: HCONCH₃](https://example.com/structureC)
D. Both A and B
E. A, B, and C

- ☐ A
- ☐ B
- ☐ C
- ☐ D
- ☐ E

### Explanation of Graphs/Diagrams:

#### Structure A
- The molecule consists of a central carbon (C) atom double-bonded to an oxygen (O) atom, single-bonded to a nitrogen (N) atom, which in turn is bonded to three hydrogen (H) atoms.
- The oxygen (O) atom has two lone pairs of electrons.
- The nitrogen (N) atom has one lone pair of electrons.

#### Structure B
- The molecule consists of a central carbon (C) atom single-bonded to an oxygen (O) atom, single-bonded to a nitrogen (N) atom, which in turn is bonded to three hydrogen (H) atoms.
- The oxygen (O) atom has three lone pairs of electrons.
- The nitrogen (N) atom has one lone pair of electrons.

#### Structure C
- The molecule consists of a central carbon (C) atom single-bonded to an oxygen (O) atom, which in turn is single-bonded to a hydrogen (H) atom. The carbon (C) atom is also bonded to a nitrogen (N) atom, which in turn is bonded to three hydrogen (H) atoms.
- The oxygen (O) atom has three lone pairs of electrons.
- The nitrogen (N) atom has one lone pair of electrons.
Transcribed Image Text:**Question 23** Which of the following is (are) valid Lewis structure(s) for the anion (HCONCH₃)⁻? A. ![Structure A: HCONCH₃](https://example.com/structureA) B. ![Structure B: HCONCH₃](https://example.com/structureB) C. ![Structure C: HCONCH₃](https://example.com/structureC) D. Both A and B E. A, B, and C - ☐ A - ☐ B - ☐ C - ☐ D - ☐ E ### Explanation of Graphs/Diagrams: #### Structure A - The molecule consists of a central carbon (C) atom double-bonded to an oxygen (O) atom, single-bonded to a nitrogen (N) atom, which in turn is bonded to three hydrogen (H) atoms. - The oxygen (O) atom has two lone pairs of electrons. - The nitrogen (N) atom has one lone pair of electrons. #### Structure B - The molecule consists of a central carbon (C) atom single-bonded to an oxygen (O) atom, single-bonded to a nitrogen (N) atom, which in turn is bonded to three hydrogen (H) atoms. - The oxygen (O) atom has three lone pairs of electrons. - The nitrogen (N) atom has one lone pair of electrons. #### Structure C - The molecule consists of a central carbon (C) atom single-bonded to an oxygen (O) atom, which in turn is single-bonded to a hydrogen (H) atom. The carbon (C) atom is also bonded to a nitrogen (N) atom, which in turn is bonded to three hydrogen (H) atoms. - The oxygen (O) atom has three lone pairs of electrons. - The nitrogen (N) atom has one lone pair of electrons.
### Question 24

**Task:**
Arrange the following radicals in order of decreasing stability:

a. \( \text{(CH}_3\text{)}_3\text{C} \cdot \)

b. \( \text{H}_2\text{C} = \text{CH} \cdot \text{C} \text{H}_3 \)

c. \( \text{CH}_3 \cdot \)

d. \( \text{(CH}_3\text{)}_2\text{CHCH}_2 \cdot \)

e. \( \text{(CH}_3\text{)}_2\text{CH} \cdot \)

**Options:**

A) \( \text{a} > \text{b} > \text{c} > \text{d} > \text{e} \)  

B) \( \text{b} > \text{a} > \text{e} > \text{d} > \text{c} \)  

C) \( \text{a} > \text{b} > \text{e} > \text{d} > \text{c} \)  

D) \( \text{b} > \text{a} > \text{c} > \text{d} > \text{e} \)  

E) \( \text{c} > \text{a} > \text{b} > \text{e} > \text{d} \)  

Select the correct answer:
- ⭕ A
- ⭕ B
- ⭕ C
- ⭕ D
- ⭕ E
Transcribed Image Text:### Question 24 **Task:** Arrange the following radicals in order of decreasing stability: a. \( \text{(CH}_3\text{)}_3\text{C} \cdot \) b. \( \text{H}_2\text{C} = \text{CH} \cdot \text{C} \text{H}_3 \) c. \( \text{CH}_3 \cdot \) d. \( \text{(CH}_3\text{)}_2\text{CHCH}_2 \cdot \) e. \( \text{(CH}_3\text{)}_2\text{CH} \cdot \) **Options:** A) \( \text{a} > \text{b} > \text{c} > \text{d} > \text{e} \) B) \( \text{b} > \text{a} > \text{e} > \text{d} > \text{c} \) C) \( \text{a} > \text{b} > \text{e} > \text{d} > \text{c} \) D) \( \text{b} > \text{a} > \text{c} > \text{d} > \text{e} \) E) \( \text{c} > \text{a} > \text{b} > \text{e} > \text{d} \) Select the correct answer: - ⭕ A - ⭕ B - ⭕ C - ⭕ D - ⭕ E
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