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Question

In the structure of borax, the numbers of boron atoms and B-O-B units, respectively, are :
4 and 5
5 and 4
5 and 3
4 and 3

A

4 and 3

B

5 and 4

C

4 and 5

D

5 and 3

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Solution

Verified by Toppr

The structure of borax is shown. It contains 4 B atoms and 5 B-O-B bonds.
Hence option $A$ is correct.

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Q1

In the structure of borax, the numbers of boron atoms and B-O-B units, respectively, are :

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Q2

The number of

- O H

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Q3

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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Q4

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Q5

Borax is actually made of two tetrahedral and two triangular units joined together and should be
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2. EAch boron atom has three B-O bonds
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