On exposure to hydrogen sulphide, moist lead (II) ethanoate paper turns
A. black
B. blue
C. green
D. white
E. yellow
The correct answer is A. black
Explanation: When lead (II) ethanoate paper comes in contact with hydrogen sulphide, the paper turns black owing to the displacement of the ethanoic acid and replacement with sulphide ion.
SOURCE: NECO CHEMISTRY 2001 QUESTION 8
0 Comments