Question
Chemistry Question on p -Block Elements
Which of the following statements is not true:
A
Among halide ions, iodide is the most powerful reducing agent
B
Fluorine is the only halogen that does not show a variable oxidation state
C
HOCl is a stronger acid than HOBr
D
HF is a stronger acid than HCl
Answer
HF is a stronger acid than HCl
Explanation
Solution
HF (hydrofluoric acid) is a weaker acid than HCl (hydrochloric acid), because it does not ionize as completely in water and has a lower concentration of H+ ions in solution.
So, the correct option is (D): HF is a stronger acid than HCl