Chemistry Enviromental Chemistry ( Not In Syllabus ) JEE ADVANCED Previous Year Question Single Correct MCQ
Published on: August 14, 2026

A solution containing a group-IV cation gives a precipitate on passing H 2 S. A solution of this precipitate in dil. HCl produces a white precipitate with NaOH solution and bluish-white precipitate with basic potassium ferrocyanide. The cation is :

A
Mn 2+
B
Zn 2+
C
Co 2+
D
Ni 2+

Share this question

For Instagram sharing, use “Apps” on mobile or copy the link.

Text Solution

Verified by Experts
The correct answer is:
NOT AVAILABLE

Zn 2+ + H 2 S ⎯→ ZnS + 2H +

White ppt

ZnS Zn(OH) 2

White ppt

Zn 2+ + [Fe(CN) 6 ] 4– ⎯→ K 2 Zn 3 [FeCN] 2

White ppt

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.

Student Reviews

What students say about this solution

No reviews yet. Be the first to write a review.

Similar Questions

Explore conceptually related problems

CG
CGP Question Assistant Question Bank + AI Help
Hi! Type your question or upload one screenshot. First I will search related questions from CGP Edu Question Bank. If none match, type YES and I will solve it with AI.
Upload only one screenshot at a time. Flow: Question Bank first → If not matched, type YES for AI solution.