Organic chemistry Quiz 13: Carboxylic Acids

written by gogorabei | June 14, 2023

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#1. (28) 300 mol of acetic acid molecules (CH3COOH) contain ……… carbon atoms

(a) 600 mol.

(a) 600 mol.

(b) 450 mol

(b) 450 mol

(c) 300 mol

(c) 300 mol

(d) 150 mol

(d) 150 mol

#2. (29) The percentage of carbon in oxalic acid is represented by …. (c=12, H=12,O=16)

(a)12/90 x 100%

(a)12/90 x 100%

(b) 2/14 x 100%

(b) 2/14 x 100%

(c)24/6 x 100%

(c)24/6 x 100%

(d)24/90 x100%.

(d)24/90 x100%.

#3. (30) What is the mass of formic acid in 100 ml. of diluted solution whose concentration is 0.02 M?

(a) 4 x 10-5 g

(a) 4 x 10-5 g

(b) 0.002 g

(b) 0.002 g

(c) 0.092 g.

(c) 0.092 g.

(d) 0.1 g

(d) 0.1 g