First slide

13th group or boron group

Question

Boric acid is prepared from the borax by the action of ___?

Moderate

A

$H C l$
B

$N a O H$
C

$C O_{2}$
D

$N a_{2} C O_{3}$

Solution

Following is the preparation process.
$N a_{2} B_{4} O_{7} + 5 H_{2} O + 2 H C l \to 2 N a C l + 4 H_{3} B O_{3}$

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