On adding `AgNO_(3)` solution into KI solution, a negatively charged coll oidal sol is obtained when they are in :
On adding `AgNO_(3)` solution into KI solution, a negatively charged coll oidal sol is obtained when they are in :
A. 100 mL of 0.1M `AgNO_(3)` + 100 mL of 0.1 m KCl
B. 100 mLof 0.1 M `AgNO_(3)` + 100 mL of 0.2 MKI
C. 100 mLm of 0.1 M `AgNO_(3)` + 100 mL of 0.1 m KI0
D. 100 mL of 0.15 `AgNO_(3)` + 100 mL of 0.15 M KI.
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Correct Answer - B
Since a negatively charged sol is to be obtained, KI must in excess. Therefore, it is the correct answer.
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