Some of the reactions taking place during bessemerisation possibly are - -160- A - -160-FeO - SiO-2 - FeSiO-3- B - 2FeS - 3O-2 - 2FeO - 2SO-2- C -160- -160-2Cu-2S - 3O-2 - 2Cu-2O - 2SO-2- D - -160-2Cu-2O - Cu-2S - 6Cu - SO-2-Select reactions actually -160-taking place -A- BB- CA- CC- D

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Byju's Answer

Standard XII

Chemistry

Extraction of Copper

Some of the r...

Question

Some of the reactions taking place during bessemerisation possibly are -
$A : F e O + S i O_{2} \to F e S i O_{3}$
$B : 2 F e S + 3 O_{2} \to 2 F e O + 2 S O_{2}$
$C : 2 C u_{2} S + 3 O_{2} \to 2 C u_{2} O + 2 S O_{2}$
$D : 2 C u_{2} O + C u_{2} S \to 6 C u + S O_{2}$
Select reactions actually taking place :

A, B

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B, C

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A, C

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C, D

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Solution

The correct option is D C, D
Self-reduction of CuS to Cu can be carried out in Bessemer converter.
$2 C u_{2} S + 3 O_{2} \to 2 C u_{2} O + 2 S O_{2}$
$2 C u_{2} O + C u_{2} S \to 6 C u + S O_{2}$

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Similar questions

Q. Match the items of Column

I

with items of Column

I I

and assign the correct code:

\begin{matrix} Column I & Column II (A) & Blistered C u & (I) & Aluminium (B) & Blast furnace & (I I) & 2 C u_{2} O + C u_{2} S \to 6 C u + S O_{2} (C) & Reverberatory furnace & (I I I) & Iron (D) & Hall-Heroult process & (I V) & F e O + S i O_{2} \to F e S i O_{3} (V) & 2 C u_{2} S + 3 O_{2} \to 2 C u_{2} O + 2 S O_{2} \end{matrix}

List I	List II
A. Calcination	a. $2 {C u}_{2} S + 3 O_{2} \to 2 {C u}_{2} O + 2 S O_{2}$
B. Roasting	b. ${F e}_{2} O_{3} \cdot n H_{2} O \to {F e}_{2} O_{3} + n H_{2} O$
C. Flux	c. ${C r}_{2} O_{3} + 2 A l \to {A l}_{2} O_{3} + 2 C r$
D. Thermite	d. $S i O_{2} + F e O \to F e S i O_{3}$

Match the following.

Name the process used for the formation of blister $C u$ by following reaction :(unbalanced reactions)

$2 C u_{2} S + 3 O_{2} \to C u_{2} O + S O_{2}$

C u_{2} O + C u_{2} S \to C u + S O_{2}

Match the items of Column I with items of Column II and assign the correct code.
$\begin{matrix} C o l u m n I & C o l u m n I I A . B l i s t e r r e d C u & 1. A l u m i n i u m B . B l a s t f u r n a c e & 2. 2 C u_{2} O + C u_{2} S ⟶ 6 C u + S O_{2} C . R e v e r b e r a t o r y f u r n a c e & 3. I r o n D . H a l l - H e r o u l t p r o c e s s & 4. F e O + S i O_{2} ⟶ F e S i O_{3} 5. 2 C u_{2} S + 3 O_{2} ⟶ 2 C u_{2} O + 2 S O_{2} \end{matrix}$
Codes
A B C D A B C D
(a) 2 3 4 1 (b) 1 2 3 5
(c) 5 4 3 2 (d) 4 5 3 2

Q. Identify the metal

M

whose extraction is based on the following reactions:

M S + 2 O_{2} ⟶ M {S O}_{4}

2 M S + 3 O_{2} ⟶ 2 M O + 2 S O_{2}

M S + 2 M O ⟶ 3 M + S O_{2}

M S + M {S O}_{4} ⟶ 2 M + 2 S O_{2}

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Some of the reactions taking place during bessemerisation possibly are - A:FeO+SiO2→FeSiO3B:2FeS+3O2→2FeO+2SO2C:2Cu2S+3O2→2Cu2O+2SO2D:2Cu2O+Cu2S→6Cu+SO2Select reactions actually taking place :

The correct option is D C, DSelf-reduction of CuS to Cu can be carried out in Bessemer converter. 2Cu2S+3O2→2Cu2O+2SO2 2Cu2O+Cu2S→6Cu+SO2

The correct option is D C, D
Self-reduction of CuS to Cu can be carried out in Bessemer converter.
$2 C u_{2} S + 3 O_{2} \to 2 C u_{2} O + 2 S O_{2}$
$2 C u_{2} O + C u_{2} S \to 6 C u + S O_{2}$