Which statement about carboxylic acids is correct?
A.
They react with alkalis to form a salt and water.
B.
They react with metals to form a salt and water.
C.
They react with metal carbonates to form a salt, water and hydrogen.
D.
The general formula for carboxylic acids is \(\mathrm{C}_{n} \mathrm{H}_{2 n+1} \mathrm{OH}\).
Exam No：0620_s24_qp_23 Year：2024 Question No：34
Answer:
D
Knowledge points:
11.7.1.1. metals
11.7.1.2. bases
11.7.1.3. carbonates including names and formulae of the salts produced
11.7.2.1. with acidified aqueous potassium manganate(VII)
11.7.2.2. by bacterial oxidation during vinegar production
11.7.3. Describe the reaction of a carboxylic acid with an alcohol using an acid catalyst to form an ester
Solution:
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