Medium
Although carbon and hydrogen are better reducing agents,they are not used to reduce metallic oxides at high temperatures. Why?
(N/A) This is due to the formation of metal carbides and metal hydrides at high temperatures.
$CaO + 3C \xrightarrow{2273 \ K} CaC_2 + CO$
$Ca + H_2 \rightarrow CaH_2$
$CaO + 3C \xrightarrow{2273 \ K} CaC_2 + CO$
$Ca + H_2 \rightarrow CaH_2$
Explore More
Similar Questions
The flux added in the extraction of iron is
Easy
View SolutionThe Ellingham diagram for zinc,magnesium,and carbon converting into corresponding oxides is shown below. At $1100 \, ^oC$,which reaction is spontaneous to a maximum extent?
Medium
View Solution$AgCl$ on fusion with sodium carbonate,gives
Easy
View SolutionIn the Hall-Heroult process,which of the following is used for reducing $Al_2O_3$?
Which metal cannot be extracted by the smelting process?
Easy
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo