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Chemistry
Arrange NH4+, H2O, H3O+,HF and OH- in increasing order of acidic nature:
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Q. Arrange $ NH_{4}^{+},\,{{H}_{2}}O,\,{{H}_{3}}{{O}^{+}},HF $ and $ O{{H}^{-}} $ in increasing order of acidic nature:
BVP Medical
BVP Medical 2003
A
$ {{H}_{3}}{{O}^{+}}
B
$ NH_{4}^{+}
C
$ O{{H}^{-}}<{{H}_{2}}O
D
$ {{H}_{3}}{{O}^{+}}>HF>{{H}_{2}}O>NH_{4}^{+}>O{{H}^{-}} $
Solution:
Among the given species, correct order of increasing acidic strength is: $ O{{H}^{-}}<{{H}_{2}}O