The following sequence of reactions are used to convert Borax into Boron- Na 2- B 4 O 5 OH 4- -8 H 2 O X - H 3 BO 3- B 2 O 3 Y - Boron BReagents X and Y are respectively-A- Acid- CB- Base- FeC- Acid- MgD- Base- Al

The correct option is C Acid,MgBorax in acidic medium gives boric acid, which upon heating nbsp; forms B_2O_3, then it is reduced by Mg to form boron. B_2O_3 ...

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Standard XII

Chemistry

Borax

The following...

Question

The following sequence of reactions are used to convert Borax into Boron.
$N a_{2} [B_{4} O_{5} (O H)_{4}] .8 H_{2} O X - \to H_{3} B O_{3} △ - \to B_{2} O_{3} Y \to B B o r o n$
Reagents X and Y are respectively:

Base, Al

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Acid,C

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Base,Fe

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Acid,Mg

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Solution

The correct option is D Acid,Mg
Borax in acidic medium gives boric acid, which upon heating forms $B_{2} O_{3}$ , then it is reduced by $M g$ to form boron.
$B_{2} O_{3} N a o r M g - ----- \to B + M g O$

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Similar questions

Borax is converted into crystalline boron by the following steps.

$B o r a x x ⟶ H_{3} B O_{3} H e a t ⟶ B_{2} O_{3} y ⟶ H e a t B$
X & Y are respectively

Q. The following sequence of reactions are used to convert Borax into Boron.

N a_{2} [B_{4} O_{5} (O H)_{4}] .8 H_{2} O X - \to H_{3} B O_{3} △ - \to B_{2} O_{3} Y \to B B o r o n

Reagents X and Y are respectively:

Borax is converted into crystalline boron by the following steps.

$B o r a x x ⟶ H_{3} B O_{3} H e a t ⟶ B_{2} O_{3} y ⟶ H e a t B$
X & Y are respectively

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

and number of

B - O - B

bonds are

y

. The value of

\frac{y}{x}

Q. Borax is converted into crystalline boron by the following steps:

B o r a x X \to H_{3} B O_{3} Δ \to B_{2} O_{3} Y - \to Δ B

Then

X

and

Y

are respectively:

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The following sequence of reactions are used to convert Borax into Boron. Na2[B4O5(OH)4].8H2OX−→H3BO3△−→B2O3Y→BBoron Reagents X and Y are respectively:

The correct option is D Acid,MgBorax in acidic medium gives boric acid, which upon heating forms B2O3, then it is reduced by Mg to form boron. B2O3Na or Mg−−−−−−→B+MgO

The following sequence of reactions are used to convert Borax into Boron.
$N a_{2} [B_{4} O_{5} (O H)_{4}] .8 H_{2} O X - \to H_{3} B O_{3} △ - \to B_{2} O_{3} Y \to B B o r o n$
Reagents X and Y are respectively:

The correct option is D Acid,Mg
Borax in acidic medium gives boric acid, which upon heating forms $B_{2} O_{3}$ , then it is reduced by $M g$ to form boron.
$B_{2} O_{3} N a o r M g - ----- \to B + M g O$