Analytical Chemistry Question 127
Question: White precipitate of AgCl turns to greyish or black when
Options:
A) reacts with $ Na_3AsO_4 $
B) exposed to sunlight
C) reacts with $ K_2CrO_4 $
D) reacts with concentrated HCl
Show Answer
Answer:
Correct Answer: B
Solution:
[b] White silver chloride $ (AgCl) $ turns grey in sunlight because of photolysis or photolytic decomposition in the presence of sunlight. AgCl decomposes to form Ag and Cl.
BETA
