How many of the following reduction process are correct -1 B 2 O 3- Al - B2 Cr 2 O 3-2 Al - Cr3 T i Cl 4- Mg - Ti4 P bS - P bO - Pb5 3 F e 2 O 3- CO - 2 F e 3 O 4- CO 26 F e 3 O 4- CO - 3 F eO - CO 27 2 Cu 2 O - Cu 2 S - 6 Cu - SO 28 SnO 2- C - SnO - CO -

All the processes here are thermodynamically feasible except for SnO_2 + C → SnO + CO ↑ Tin oxide cannot be reduced by carbon ...

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Molar and Specific Heat Capacity

How many of t...

Question

How many of the following reduction process are correct ?

(1) $B_{2} O_{3} + A l Δ ⟶ B$

(2) $C r_{2} O_{3} + 2 A l Δ ⟶ C r$

(3) $T i C l_{4} + M g Δ ⟶ T i$

(4) $P b S + P b O Δ ⟶ P b$

(5) $3 F e_{2} O_{3} + C O \to 2 F e_{3} O_{4} + C O_{2}$

(6) $F e_{3} O_{4} + C O \to 3 F e O + C O_{2}$

(7) $2 C u_{2} O + C u_{2} S \to 6 C u + S O_{2}$

(8) $S n O_{2} + C \to S n O + C O ↑$

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C u_{2} S + 2 C u_{2} O \to 6 C u + S o_{2}

(F e_{3} O_{4})

F e_{3} O_{4} + 4 C O \to 3 F e + 4 C O_{2}

F e_{3} O_{4}

- I

- II

\begin{matrix} List - I & List - II (I) N i Impure + 4 C O 330 K - -- \to N i (C O)_{4} 450 K - -- \to N i pure + 4 C O & (P) Leaching (II) 4 A u + 4 N a C N + O_{2} + 2 H_{2} O - ---- \to - 4 K O H & (Q) Mond's reduction 4 N a [A u (C N)_{2}] Soluble Z n - \to 2 N a [Z n (C N)_{4}] + 4 A u (III) T i C l_{4} + 2 M g \to T i + 2 M g C l_{2} & (R) Auto reduction (IV) 2 C u_{2} S + 30_{2} \to 2 C u_{2} O + 2 S O_{2} & (S) Kroll process C u_{2} S + 2 C u_{2} O \to 6 C u + S O_{2} \end{matrix}

-I

-II

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 :

C O, C O_{2}, N a_{2} O, P b O_{2}, P b O, S n O, G e O_{2}, G e O

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