MEDIUMMCQ SINGLENEET ChemistryPhysical ChemistryIonic equilibriumTheory of Acids and Bases
Arrange NH ,H O,H O ,HF and OH in increasing order of acidic nature. (a) H O NH HF OH H O (b) NH HF H O H O OH (c) HO H O NH HF H O (d) H O HF H O NH OH
Answer
C
Explanation
Among the given species, correct order of increasing acidic strength is 2 4 3 HO H O NH HF H O . OH– is basic (i.e. it tends to gain a proton) and hence is least acidic. H2O is neutral species. H3O+ is most acidic as it readily loses proton. IONIC EQUILIBRIUM 31
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