First slide

Borax

Question

The hybridisation of boron in borax is

Easy

A

Two borons in sp² and two borons in sp³
B

One boron in sp³ and three borons in sp³
C

Three borons in sp² and one boron in sp³
D

All are in sp³ hybridisation

Solution

$N{a_2}{B_4}{O_7}.10{H_2}O\,\,\,\,\,\,:\,\,\,Borax\,\,decahydrate$
$\begin{gathered} N{a_2}{B_4}{O_7}.5{H_2}O\,\,\,\,\,\,\,\,:\,\,\,Borax\,\,pentahydrate \end{gathered}$
$N{a_2}{B_4}{O_7}.4{H_2}O\,\,\,\,\,\,\,:\,\,\,Borax\,\,tetrahydrate$
$N{a_2}{B_4}{O_7}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,:\,\,Anhydrous\,borax$
Borax tetra hydrate is called as kernite or Razorite

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