Upon heating with Cu2S. the reagent(s) that give copper metal is/are

Question

Upon heating with Cu2S. the reagent(s) that give copper metal is/are (A) CuFeS2 (B) CuO (C) Cu2O (D) CuSO4

Tardigrade Admin · Accepted Answer

(A) 2 CuFeS 2+ O 2 xrightarrowΔCu 2 S +2 FeS + SO 2 (B) 4 CuO xrightarrow1100° C 2 Cu 2 O + O 2 2 Cu 2 O + Cu 2 S xrightarrowΔ 6 Cu + SO 2 (C) Cu 2 S +2 Cu 2 O xrightarrowΔ 6 Cu + SO 2 (D) CuSO 4 xrightarrow720° C CuO + SO 2+(1/2) O 2 4 CuO xrightarrow1100° C 2 Cu 2 O + O 2 2 Cu 2 O + Cu 2 S xrightarrow triangle 6 Cu + SO 2

Q. Upon heating with $C u_{2} S .$ the reagent(s) that give copper metal is/are

$C u F e S_{2}$

$C u O$

$C u_{2} O$

$C u S O_{4}$

Q. Upon heating with Cu2​S. the reagent(s) that give copper metal is/are

CuFeS2​

CuO

Cu2​O

CuSO4​

(A) 2CuFeS2​+O2​Δ​Cu2​S+2FeS+SO2​ (B) 4CuO1100∘C​2Cu2​O+O2​ 2Cu2​O+Cu2​SΔ​6Cu+SO2​ (C) Cu2​S+2Cu2​OΔ​6Cu+SO2​ (D) CuSO4​720∘C​CuO+SO2​+21​O2​ 4CuO1100∘C​2Cu2​O+O2​ 2Cu2​O+Cu2​S△​6Cu+SO2​

Q. Upon heating with $C u_{2} S .$ the reagent(s) that give copper metal is/are

$C u F e S_{2}$

$C u O$

$C u_{2} O$

$C u S O_{4}$