Which of the following statements is false about the acid-strength of acetic acid?
Correct answer: A. Acetic acid is a stronger acid than monochloroacetic acid.
- A. Acetic acid is a stronger acid than monochloroacetic acid.
- B. Acetic acid is a stronger acid than propionic acid.
- C. Acetic acid is a weaker acid than Trichloroacetic acid.
- D. Acetic acid is a weaker acid than formic acid.
Explanation
Monochloroacetic acid Cl−CH2−COOH is the strongest acid than acetic acid CH3−COOH. −Cl is an electron withdrawing group. It increases the acidity of acetic acid by dispersing negative charge by inductive effect and stabilizing the acetate anion.
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About Carboxylic Acids
Carboxylic acids are named and studied through the combined effects of the carbonyl and hydroxyl groups, their preparation, acidity and hydrogen bonding. Reactions include neutralisation, esterification, reduction and conversion into acid chlorides, anhydrides, esters and amides, with emphasis on how these derivatives interconvert.
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