On exposure to hydrogen sulphide, moist lead (II) ethanoate paper turns

 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

Post a Comment

0 Comments