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$N a_{2} [B_{4} O_{5} {(O H)}_{4}] .8 H_{2} O$ is called borax. Select correct for borax

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On heating glassy solid is obtained which is a composition of $N a B O_{2}$ and $B_{2} O_{3}$

All boron atoms undergo $s p^{3}$ orbital’s for bonding

Its aqueous solution is alkaline in nature

Its aqueous solution produce boric acid when treated with $c o n H_{2} S O_{4}$

answer is A, C, D.

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Detailed Solution

Borax : two $s p^{2}$ hybridised borons and two $s p^{3}$ hybridised borons

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