MEDIUMMCQ SINGLEJEE Advanced ChemistryInorganic Chemistryp-Block (group 13 and 14)Previous Year Questions

Boric acid is an acid because its molecule (NEET 2016)

A.gives up a proton

B.accepts OH– from water releasing proton.✓ Correct

C.combines with proton from water molecule.

D.contains replacable H⁺ ion.

Explanation

Boric acid is a lewis acid. According to lewis acid base theory, lewis acid means tendency to accept a pair of electron and lewis base means tendency to donate a pair of electrons. Boric acid accepts a hydroxyl ion from a water molecule. The reaction is shown below: Hence, the correct option is (b).

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