question_answer

Conjugate base for Bronsted acids \[{{H}_{2}}O\]and HF are:                                            [NEET 2019]

A)  \[O{{H}^{}}\]and\[{{F}^{}}\], respectively

B)  \[{{H}_{3}}{{O}^{+}}\]and\[{{H}_{2}}{{F}^{+}}\], respectively

C)  \[O{{H}^{}}\]and\[{{H}_{2}}{{F}^{+}}\], respectively

D)  \[{{H}_{3}}{{O}^{+}}\]and\[{{F}^{}}\], respectively

Correct Answer: A

Solution :

[a] Bronsted Acids or \[{{H}_{2}}O\]& HF

Bronsted Acid

\[{{H}_{3}}{{O}^{+}},{{H}_{2}}{{F}^{+}}\]

Bronsted Base

\[\xrightarrow{-{{H}^{+}}}\]

\[O{{H}^{\bar{\ }}},\text{ }{{F}^{\bar{\ }}}\]