Analytical Chemistry Question 95
Question: Mark the compound which turns black with $ NH_4OH $
[AFMC 1981; MP PMT 1995]
Options:
A) Lead chloride
B) Mercurous chloride
C) Mercuric chloride
D) Silver chloride
Show Answer
Answer:
Correct Answer: B
Solution:
$ Hg_2Cl_2+2NH_4OH\to \underbrace{NH_2-Hg-Cl} _{{}}+\underset{\text{(Black ppt)}}{\mathop{Hg}}+NH_4Cl+2H_2O $
BETA
