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JEE Main 202624 JanuaryEvening Shift
Exam
JEE Main
Year
2026
Date
24 January
Shift
Evening Shift
Subject
Chemistry
Chapter
Practical Chemistry

JEE Main 2026 · 24 January · Evening Shift · Chemistry · Practical Chemistry

In the Group analysis of cations, Ba^ 2+ ~\&~ Ca^ 2+ are...

In the Group analysis of cations, Ba2+ & Ca2+\mathrm{Ba}^{2+} ~\&~ \mathrm{Ca}^{2+} are precipitated respectively as

Options

  1. Asulphide & sulphide
  2. Bchromate & sulphide
  3. Ccarbonate & carbonate
  4. Dhydroxide & carbonate

Correct answer

C. carbonate & carbonate

Step-by-step solution

In Group V of cation analysis, both Ba²⁺ and Ca²⁺ are precipitated by adding Na₂CO₃ or (NH₄)₂CO₃ solution. Ba²⁺ precipitates as BaCO₃ (white precipitate) and Ca²⁺ precipitates as CaCO₃ (white precipitate). Both form insoluble carbonates under these conditions, making the answer carbonate & carbonate.
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