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Questions and Answers
What is the order of electronegativity for the halogen acids?
What is the order of electronegativity for the halogen acids?
- HBr > HI > HF > HCl
- HI > HBr > HCl > HF
- HCl > HI > HBr > HF
- HF > HCl > HBr > HI (correct)
Why is HF considered the weakest acid among the halogen acids?
Why is HF considered the weakest acid among the halogen acids?
- Fluoride has the highest atomic number.
- HF has the lowest electronegativity.
- HF has the smallest ionic size.
- The negative fluoride ion is highly stable and holds a proton strongly. (correct)
Which halide ion has the highest atomic number?
Which halide ion has the highest atomic number?
- Bromide
- Chloride
- Iodide (correct)
- Fluoride
Which halogen acid is a colourless gas that fumes in moist air?
Which halogen acid is a colourless gas that fumes in moist air?
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What happens when Hydrofluoric acid is dissolved in water?
What happens when Hydrofluoric acid is dissolved in water?
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