2. a) Arrange each of the following groups of acids in order of increasing acidity. CH3 Cl ACO,H Cl H₂C H₂C CH3 A H (CO,H Cl D strongest CO₂H A D CO₂H CO₂H F F H3C CON B H (CO,H H E H3CO- strongest H₂C C B H ntCO,H H CIH₂C F CO₂H weakest weakest -CO,H C

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From strongest to weakest and weakest to strongest.  

**2. a) Arrange each of the following groups of acids in order of increasing acidity.**

### Group 1:
- **A:** (CH₃)₂C(CO₂H)
- **B:** (F₃C)C(CO₂H)
- **C:** (Cl₂HC)C(CO₂H)
- **D:** (CH₃CClC(CO₂H))
- **E:** (CH₃CH₂C(CO₂H))
- **F:** (ClCH₂)CH(CO₂H)

**Order of Increasing Acidity:**

D > C > F > E > B > A  
(*Strongest to Weakest*)

### Group 2:
- **A:** (Cl)C₆H₄(CO₂H)
- **B:** (CH₃O)C₆H₄(CO₂H)
- **C:** (O₂N)C₆H₄(CO₂H)
- **D:** C₆H₅(CO₂H)

**Order of Increasing Acidity:**

A > C > D > B  
(*Strongest to Weakest*)

**Explanations:**

- **Diagram Explanation:** Each molecular structure represents a type of acid, where the central carbon atom is bonded to various substituents, influencing acidity. The influence is mostly determined by electron-withdrawing or electron-donating groups attached to the carbon, which affects how readily the carboxylic acid group can donate a proton. The presence of halogens or nitro groups, for example, can significantly increase acidity due to their electron-withdrawing effects.
Transcribed Image Text:**2. a) Arrange each of the following groups of acids in order of increasing acidity.** ### Group 1: - **A:** (CH₃)₂C(CO₂H) - **B:** (F₃C)C(CO₂H) - **C:** (Cl₂HC)C(CO₂H) - **D:** (CH₃CClC(CO₂H)) - **E:** (CH₃CH₂C(CO₂H)) - **F:** (ClCH₂)CH(CO₂H) **Order of Increasing Acidity:** D > C > F > E > B > A (*Strongest to Weakest*) ### Group 2: - **A:** (Cl)C₆H₄(CO₂H) - **B:** (CH₃O)C₆H₄(CO₂H) - **C:** (O₂N)C₆H₄(CO₂H) - **D:** C₆H₅(CO₂H) **Order of Increasing Acidity:** A > C > D > B (*Strongest to Weakest*) **Explanations:** - **Diagram Explanation:** Each molecular structure represents a type of acid, where the central carbon atom is bonded to various substituents, influencing acidity. The influence is mostly determined by electron-withdrawing or electron-donating groups attached to the carbon, which affects how readily the carboxylic acid group can donate a proton. The presence of halogens or nitro groups, for example, can significantly increase acidity due to their electron-withdrawing effects.
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