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The following reactions take place in the blast furnace during the preparation of impure iron. Identify the reaction pertaining to the formation of the slag.
- A$Fe_2O_{3(s)} + 3CO_{(g)} \rightarrow 2Fe_{(l)} + 3CO_{2(g)}$
- B$CaCO_{3(s)} \rightarrow CaO_{(s)} + CO_{2(g)}$
- C$CaO_{(s)} + SiO_{2(s)} \rightarrow CaSiO_{3(l)}$
- D$2C_{(s)} + O_{2(g)} \rightarrow 2CO_{(g)}$
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With respect to an ore,the Ellingham diagram helps to predict the feasibility of its:
The plot shows the variation of $- \ln K_p$ versus temperature for the two reactions:
$M_{(s)} + \frac{1}{2} O_{2(g)} \to MO_{(s)}$ and $C_{(s)} + \frac{1}{2} O_{2(g)} \to CO_{(g)}$
Identify the correct statement.
$M_{(s)} + \frac{1}{2} O_{2(g)} \to MO_{(s)}$ and $C_{(s)} + \frac{1}{2} O_{2(g)} \to CO_{(g)}$
Identify the correct statement.
DifficultJEE MAIN 2016
View SolutionIdentify $A$ and $B$ respectively in the following reactions:
$4 Au_{(s)} + 8 CN^{-}_{(aq)} + 2 H_2O_{(aq)} + O_{2(g)} \longrightarrow 4 A_{(aq)} + 4 OH^{-}_{(aq)}$
$2 A_{(aq)} + Zn_{(s)} \longrightarrow B_{(aq)} + 2 Au_{(s)}$
$4 Au_{(s)} + 8 CN^{-}_{(aq)} + 2 H_2O_{(aq)} + O_{2(g)} \longrightarrow 4 A_{(aq)} + 4 OH^{-}_{(aq)}$
$2 A_{(aq)} + Zn_{(s)} \longrightarrow B_{(aq)} + 2 Au_{(s)}$
In which furnace is pig iron produced? State its impurities.
In the extraction of copper from copper pyrites,iron is removed as
Easy
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