NEET UG CHEMISTRY MCQ: 13 TH GROUP ELEMENTS (P-BLOCK)

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Which one of the following compounds, is not a protonic acid?

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Correct option: C

\mathrm{B}{\left( {\mathrm{OH}} \right)_3}

The correct answer is C (B(OH)3) because it acts as a Lewis acid by accepting OH- ions from water, rather than donating protons (H+).

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{H}_3 {PO}_4

{H}_3 {BO}_3

{P}\, \& {~B}

N{H_3}

B{F_3}

\mathrm{TI}

\mathrm{d}

\mathrm{f}