MCQ
${H_3}B{O_3}$ is
- ✓Monobasic and weak Lewis acid
- BMonobasic and weak Bronsted acid
- CMonobasic and strong Lewis acid
- DTribasic and weak Bronsted acid
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[Assume : No cyano complex is formed; $K _{ sp }( AgCN )$ $=2.2 \times 10^{-16}$ and $\left. K _{ a }( HCN )=6.2 \times 10^{-10}\right]$
$A.$ has completely filled antibonding molecular orbitals
$B.$ is diamagnetic
$C.$ has bond order one
$D.$ is isoelectronic with Neon
(I) Toluene
(II) $m - $dichlorobenzene
(III) $o - $dichlorobenzene
(IV)$p - $dichlorobenzene
