Borax is actually made of two tetrahedra and two triangular units joined together and should be written as: Na2[B4O5(OH)4]·8H2O

The correct statement/s about borax is/are:

a. Each boron atom has four B-O bonds

b. Each boron atom has three B-O bonds

c. Two boron atoms have four B-O bonds while other two have three B-O bonds

d. Each boron atom has one -OH groups

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Solution

The correct option is B
b

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Question 27

Which of the following statement are correct about $C O_{3}^{- 2}$ ?

(a) The hybridisation of central atom is $s p^{3}$

(b) Its resonance structure has one C - O single bond and two C = 0 double bonds

(d) All C - O bond lengths are equal

Borax is actually made of two tetrahedra and two triangular units joined together and should be written as: Na2[B4O5(OH)4]·8H2O

The correct statement/s about borax is/are:

a. Each boron atom has four B-O bonds

b. Each boron atom has three B-O bonds

c. Two boron atoms have four B-O bonds while other two have three B-O bonds

d. Each boron atom has one -OH groups

N a_{2} [B_{4} O_{5} (O H)_{4}] .8 H_{2} O

N a_{2} [B_{4} O_{5} (O H)_{4}] .8 H_{2} O

N a_{2} [B_{4} O_{5} (O H)_{4}] \cdot 8 H_{2}

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