12 Questions
What color precipitate confirms the presence of Chromate when 2.5M Sodium acetate is added to centrifugate?
Yellow
What confirmatory reagent produces a white precipitate when added to the residue?
Hydrochloric acid
Which metal hydroxide is known for its high solubility in neutralizing acidic solutions?
Magnesium hydroxide
What compound is formed when Barium Acetate reacts with Sulfate ions?
Barium sulfate
In what application is Calcium carbonate commonly used?
Water softening
Which anion does Barium chromate confirm with a yellow precipitate?
Chromate ion
What is the group reagent used to precipitate chromate and sulfate ions?
Barium acetate
How is barium sulfate separated from barium chromate?
By its insolubility in 3M HCl
Which of the following statements about group 2 metal hydroxides is NOT true?
Only barium hydroxide is soluble
What reaction occurs when a soluble calcium salt is mixed with a soluble sulfate salt?
Formation of insoluble calcium sulfate
Which application is NOT correctly matched with its corresponding compound?
Magnesium sulfate used in water treatment
What does the vigorous effervescence produced upon addition of KCIO indicate?
Presence of carbonate ions
Learn about the characteristics and identification of chromate and sulfate ions in Group 2 Anions. Understand their precipitation reactions using Barium acetate and separation methods based on solubility differences.
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