Question:
Which of the following ionic substances will be most effective in precipitating the sulphur sol?
Which of the following ionic substances will be most effective in precipitating the sulphur sol?
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Higher valency counter-ions ⇒ greater coagulation power.
Updated On: Mar 23, 2026
- KCl
- BaCl\(_2\)
- Fe\(_2\)(SO\(_4\))\(_3\)
- Na\(_3\)PO\(_4\)
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The Correct Option is C
Solution and Explanation
Step 1: Sulphur sol is negatively charged.
Step 2: Higher valency cations are more effective (Hardy–Schulze rule).
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