The difference between the total number of lone pairs and the total number of -bonds…

CHEMISTRY · Subjective · CBSE · Chemistry · Chemical Bonding and Molecular Structure · Chemical Bonding and Molecular Structure

Problem

The difference between the total number of lone pairs and the total number of

\sigma

-bonds in the

[\mathrm{B}_3\mathrm{O}_3(\mathrm{OH})_6]^{3-}

molecular ion is