Published by:
CGP EDU Academic Team
Published on: August 14, 2026
In the precipitation of the iron group (III) in qualitative analysis, ammonium chloride is added before adding ammonium hydroxide to :
A
increase concentration of 
ions
ions B
increase concentration of 
ions
ions C
prevent interference by phosphate ions
D
decrease concentration of 
ions
ions
Text Solution
Verified by ExpertsThe correct answer is:
D
Due to common ion effect of 
,
decreases in such extent that only group-III cation can be precipitated, due to their very low 
in the range of 
.
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
In a borax bead test under hot condition, a metal salt (one from the given) is heated at point B o…
Match List I with List II
List - I (Precipitating reagent And conditions)List - I (Precipitating…
During the detection of acidic radical present in a salt, a student gets a pale-yellow precipitate …
Match List - I with List - II. List - I List - II Reaction Type of redox reaction
Match List I with List II
Choose the correct answer from the options given below:
Consider the following test for a group-IV cation. (Black precipitate) + by product aqua regia …