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NEET2018Chemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Which of the following statements is not true for halogens?

Options

  1. AAll but fluorine shows positive oxidation states.
  2. BAll are oxidizing agents.
  3. CAll form monobasic oxyacids.
  4. DChlorine has the highest electron-gain enthalpy.

Correct answer

A. All but fluorine shows positive oxidation states.

Step-by-step solution

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

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