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(i) Hydrogen fluoride is a weaker acid t...

(i) Hydrogen fluoride is a weaker acid than hydrogen chloride in aqueous solution.
Or Which is a stronger acid in aqueous solution, HF or HCI ?
(ii) In aqueous solution, HI is a stronger acid than HCI ?
(iii) F atom is more electronegative than I atom, yet HF has lower acid strength than HI. Explain.

Text Solution

AI Generated Solution

To answer the questions step by step, let's break down each part of the problem: ### (i) Which is a stronger acid in aqueous solution, HF or HCl? 1. **Definition of Acid Strength**: Acid strength in aqueous solution is determined by the ability of the acid to dissociate and release H⁺ ions. 2. **Dissociation of HF and HCl**: - HF dissociates as follows: HF ⇌ H⁺ + F⁻ ...
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Out of HI and HCl, which is a stronger acid in aqueous solution ?

Despite the fact than fluorine is more electronegative than iodine, yet HF is less acidic as compared to HI . Explain.

Knowledge Check

  • Which one is more acidic in aqueous solution

    A
    `NiCl_(2)`
    B
    `FeCl_(3)`
    C
    `AlCl_(3)`
    D
    `BeCl_(2)`

  • Which one is more acidic in aqueous solution ?

    A
    `NiCI_(2)`
    B
    `FeCI_(3)`
    C
    `AICI_(3)`
    D
    `BeCI_(2)`

  • In dilute aqueous solution HF is a weaker acid than HI, because

    A
    H-F bond energy is greater than HI bond energy
    B
    The hydration energy of `F^-` is higher than that of `I^-`
    C
    Of the presence of hydrogen bonds in HF
    D
    Fluorine is a stronger base as compared to iodine.

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