NEET Chemistry Functional Group Tests MCQ Question
Imagine a diagram showing the process of confirming the presence of the oxalate ion using a two-step test. Step 1 involves acidifying a sodium carbonate extract with acetic acid and adding calcium chloride solution. What is the result observed in this step?
A white precipitate of calcium oxalate forms.
A brown precipitate of mercury amido-iodine forms.
A blue color with starch solution appears.
A pink color of KMnO4 is discharged.
Correct Answer
Detailed Explanation
In the first step of confirming the presence of the oxalate ion, a white precipitate of calcium oxalate forms when sodium carbonate extract is acidified with acetic acid and calcium chloride is added.
Found an issue with this question?
Related Questions
More from Functional Group Tests
What white precipitate is formed when calcium chloride solution is added to an acidified sodium carbonate extract containing oxalate ions?
Which of the following statements about functional group tests are correct?
Which of the following combinations correctly describes tests related to functional groups in qualitative analysis?
More from
Assertion (A): The evolution of violet vapors when MnO2 is added to a reaction mixture containing NaI and H2SO4 indicates the presence of iodide ions....
What color indicates the presence of Cu²⁺ ions when observed in a heating test?
Assertion (A): The presence of iodide ions can be confirmed by the violet color in the organic layer. | Reason (R): Iodine dissolves in the organic so...