First slide

13th group or boron group

Question

In which of the followirg, a salt of the type ${KMO}_{2}$ is obtained?

Moderate

A

$B_{2} H_{6} + {KOH}_{(aq)} ⟶$
B

$Al + {KOH}_{(aq)} ⟶$
C

Both
D

None

Solution

$_{} B_{2} H_{6} + 2 KOH + 2 H_{2} O ⟶ \underset{\begin{matrix} Potassium \\ metaborate \end{matrix}}{2 {KBO}_{2}} + 6 H_{2} 2 Al + 2 KOH + 2 H_{2} O ⟶ \underset{meta borate}{\underset{Potassium}{2 {KAlO}_{2}} + 3 H_{2}}$

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