Which of the following statements is not true for halogens?

Which of the following statements is not true for halogens?
  1. All but fluorine shows positive oxidation states.
  2. All are oxidizing agents.
  3. All form monobasic oxyacids.
  4. Chlorine has the highest electron-gain enthalpy.

Solution

Fluorine can show only negative oxidation state-1 because it has the highest electronegativity among all elements. 

Asked in: NEET 2018

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