Chemistry-Organic Preparations
NEET Chemistry Organic Preparations MCQ Question
Type: MCQ-diagram based-Hard-Class 12
Consider a test tube containing a mixture of salt and potassium dichromate with conc. H2SO4. If the gas evolved is passed through sodium hydroxide solution and a yellow solution is obtained, what is the next step to confirm the presence of chloride ions?
A
Add lead acetate solution to the acidified yellow solution.
B
Add ammonium hydroxide solution to the yellow solution.
C
Neutralize the yellow solution with dil. HCl.
D
Add silver nitrate solution to the yellow solution.
Correct Answer
Option A
Detailed Explanation
The chromyl chloride test involves acidifying the yellow solution with acetic acid and then adding lead acetate solution to form a yellow precipitate of lead chromate, confirming chloride ions.
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