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Identify the correct order of solubility in aqueous medium:    [NEET 2013]
  • a)
    ZnS > Na2S > CuS
  • b)
    Na2S > CuS > ZnS
  • c)
    Na2S > ZnS > CuS
  • d)
    CuS > ZnS > Na2S
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Identify the correct order of solubility in aqueous medium: [NEET 201...
Solubility of alkali metal is maximum among the following. Among ZnS (1.7 × 10–5) & CuS (8 × 10–37) ZnS has higher value  of Ksp.
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Most Upvoted Answer
Identify the correct order of solubility in aqueous medium: [NEET 201...
Solubility is promotional to ionic character of compound.
SO ANSWER WIL BE ARRANGEMENTS IONIC CHARACTER .
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Community Answer
Identify the correct order of solubility in aqueous medium: [NEET 201...
Order of Solubility in Aqueous Medium:

Explanation:
- Na2S: Sodium sulfide (Na2S) is highly soluble in water due to the presence of highly polar sodium and sulfide ions, making it the most soluble compound among the given options.
- ZnS: Zinc sulfide (ZnS) is less soluble in water compared to Na2S but more soluble than CuS. It forms a slightly alkaline solution when dissolved in water.
- CuS: Copper sulfide (CuS) is the least soluble compound among the given options. It has low solubility in water due to the higher lattice energy of copper sulfide.
Therefore, the correct order of solubility in aqueous medium is Na2S > ZnS > CuS.
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