Identify the wrong statement/s
I) All halogens are coloured
II) F₂ and Cl₂ are gases whereas Br₂and I₂ are liquids
III) I₂ is sparingly soluble in water but is soluble
in various organic solvents like CCl₄, CS₂ etc.

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Only II

Only I & III

Only I & II

Only II & III

answer is C.

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Detailed Solution

I) All halogens are coloured
II) F₂ and Cl₂ are gases whereas Br₂and I₂ are liquids
III) Solubility follows law of "like" dissolves "like". Therefore, a non-polar molecule stays insoluble in polar solvent and solubilises into a non-polar solvent and vice-versa. Since I₂ is non-polar and H2O is polar, therefore they are immiscible. but is soluble in various organic solvents like CCl₄, CS₂ etc.

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