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The p-Block Elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryThe p-Block Elements1 Mark
MCQ
Which of the following halogens does not form oxyacids at room temperature?
  • ✓
    $F_2$​
  • B
    $Cl_2$​
  • C
    $Br_2$​
  • D
    $I_2$
✓

Answer

Correct option: A.
$F_2$​
Fluorine does not hove $d-$sub shell so it can only have one oxidation state.
Therefore, it cann't form oxy acids. Fluorine is the most electronegative element and always show $−1$ oxiadation state. In oxyacids. reast of the halogens have positive oxidation state.

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