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Borax

Borax is writ...

Question

Borax is written as:

A

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

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B

N a_{2} [B_{4} (O H)_{7} O_{2}] .3 H_{2} O

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C

N a_{2} O B_{4} O_{8} H_{2}

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D

N a_{2} B_{4} O_{1} 7 H_{2} O

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Solution

The correct option is A $N a_{2} [B_{4} O_{5} (O H)_{4}] .8 H_{2} O$
The IUPAC name of borax is sodium tetraborate decahydrate. The molecular formula is $N a_{2} [B_{4} O_{5} (O H)_{4}] .8 H_{2} O$

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Similar questions

Q. Borax is actually made of two tetrahera and two triangular units joined together and should be written as:

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

Consider the following statements about borax.

Q. Borax is correctly represented as

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

. Number of tetrahedral boron atoms present are

x

B - O - B

y

\frac{y}{x}

Q. Borax is actually made of two tetrahedral and two triangular units joined together and should be written as:

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

O
Consider the following statements about borax. Which of the following is the correct statement?

Q. What is the value of X in the given chemical formula of crystalline borax,

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

?

Q. Borax is actually made of two tetrahedral and two triangular units joined together and should be
written as :

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

.
Consider the following statements about borax:
1. Each boron atom has four B-O bonds
2. EAch boron atom has three B-O bonds
3. Two boron atoms have four B-O bonds while other two have three B-O bonds
4. Each boron atom has one-OH groups
Select correct statement(s) -

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