A) Chloroform
B) Potassium iodide
C) Carbon disulphate
D) Sodium Thiosulphate
Correct Answer: B
Solution :
The solubility of I2 in water increases by the addition of KI due to ormation of polyhaldie ion, i.e., \[I_{3}^{-}\] \[KI+{{I}_{2}}\to K{{I}_{3}}\]
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