Advertisements
Advertisements
Question
Account for the following :
Acidic character increases from HF to HI.
Advertisements
Solution
The acidic strength of the hydrohalic acids increases from HF to HI because the stability of the acids decreases from HF to HI on account of decrease in bond dissociation enthalpy of H−X bond from HF to HI.
APPEARS IN
RELATED QUESTIONS
Account for the following: Fluorine does not exhibit positive oxidation state.
Fluorine is a stronger oxidising agent than chlorine. Why?
Which halogen compound in the following pair will react faster in SN2 reaction CH3Br or CH3I.
Why are halogens coloured?
Arrange the following in the order of property indicated for the given set:
HF, HCl, HBr, HI - increasing acid strength.
Arrange the following in the decreasing order of their reducing character :
HF, HCl, HBr, HI
Fluorine differs from the rest of the halogens in some of its properties. This is due to ____________.
Which is the strongest acid in the following:
Which of the following pairs of ions are isoelectronic and isostructural?
Statement I: Acid strength increases in the order given as HF << HCl << HBr << HI.
Statement II: As the size of the elements F, Cl, Br, and I increase down the group, the bond strength of HF, HCl, HBr, and HI decreases and so the acid strength increases.
In the light of the above statements, choose the correct answer from the options given below.
