Question

which is effective coagulating agent for Sb2s3 sol and why..with explanation plss don't spam
a) Na2SO4
b) CaCl2
c) Al2(so4)3
d) NH4Cl​

Answer 1

Answer:

 Higher is the charge, higher is the coagulating power.

Sb2S3 sol is negatively charged sol. It will be coagulated by positively charged ions. 

In Al2(SO4)3 , Al3+ ion has maximum charge among the given electrolytes. 

Among the electrolytes Na2SO4,CaCl2,Al2(SO4)3 and NH4Cl, the most effective coagulating agent for Sb2S3 sol is Al2(SO4)3.  

Explanation:

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Answer 2

Answer:

• Higher is the charge, higher is the coagulating power.

Sb2S3 sol is negatively charged sol. It will be coagulated by positively charged ions.

In Al2(SO4)3, Al3+ ion has maximum charge among the given electrolytes.

Among the electrolytes Na2SO4 ,CaCl2 ,Al2 (SO4)3 and NH4Cl, the most effective coagulating agent for Sb2S3 sol is Al 2(SO4 )3 .

Hence, option C is correct.

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