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CGP EDU Academic Team
Published on: August 13, 2026
The presence of magnesium is confirmed in the qualitative analysis by :
Text Solution
Verified by ExpertsThe correct answer is:
D
titan yellow is absorbed by magnesium hydroxide producing a deep-red colour or precipitate.
Mg 2+ + NH 3 + HPO 42– — → Mg(NH 4 )PO 4 ↓ (white).
Blue lake is formed by the adsorption of reagent on Mg(OH) 2 .
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