Question
Chemistry Question on p -Block Elements
Which of the following statements is not true for halogens?
A
Chlorine has the highest electron-gain enthalpy.
B
All form monobasic oxyacids.
C
All but fluorine show positive oxidation states
D
All are oxidizing agents
Answer
All form monobasic oxyacids.
Explanation
Solution
Fluorine shows only 1 oxidation state and other halogen shows negative and positive oxidation state. Due to high electronegativity and small size only F form one oxoacid that is HOF.
Hence A is correct option because A is not true statement.