Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) NEET Previous Year Question - P Block XII Single Correct MCQ
Published on: August 14, 2026

Which of the following statements is not true for halogens ?

A
All form monobasic oxyacids
B
Chlorine has the highest electron gain enthalpy
C
All but except fluorine show positive oxidation states
D
All are oxidizing agents

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The correct answer is:
A

However HOF is the only known oxyacid of fluorine but it is unstable at room temperature forming HF and O 2 . So we can say that all halogens except fluorine form monobasic oxyacids.

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