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Chemistry · PYQ NEET UG 2018

हिन्दी

Which of the following statements is NOT true for halogens?

  1. A
    All form monobasic oxyacids.
  2. B
    All are oxidizing agents.
  3. C
    All but fluorine show positive oxidation states.
  4. D
    Chlorine has the highest electron-gain enthalpy.
View Answer & Solution

Correct answer · Option A

All form monobasic oxyacids.

Explanation

Fluorine is the most electronegative and has no d-orbitals, but chlorine actually has the highest negative electron-gain enthalpy, making statement 4 true while some oxoacids like periodic acid can be polybasic.

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