Q.

Iodine readily dissolves in _____ ?

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a

Water

b

KI

c

Carbon tetra chloride

d

Alcohol

answer is B.

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Detailed Solution

Iodine is slightly soluble in water, but highly soluble in KI due to the formation of tri iodide.KI+I2→KI3The solution behaves as a simple mixture of KI and free iodine.Iodine is more soluble in organic solvents like carbon tetrachloride and carbon disulphide than water. It is due to greater polarisability of iodine molecule.The most appropriate answer will be (2) as the keyword in the question is readily.
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Iodine readily dissolves in _____ ?