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p -Block elements - ll — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryp -Block elements - ll1 Mark
MCQ
Which halogen oxidizes water at room temperature but does not undergo disproportionation into it?
  • A
    $F_2$
  • B
    $Cl_2$
  • C
    $Br_2$
  • ✓
    $I_2$
✓

Answer

Correct option: D.
$I_2$
d
Due to high electronegativity and small size, $F$ forms only one oxoacid, HOF known as Fluoric (I) acid. Oxidation number of $F$ is +1 in $H O F$

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