Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
EasyIn the leaching of $Ag_2S$ with $NaCN$,a stream of air is also passed. This is because of:
- AReversible nature of the reaction between $Ag_2S$ and $NaCN$
- BTo oxidise the formed $Na_2S$ into $Na_2SO_4$ and sulphur
- CTo make $Ag_2S$ insoluble
- DBoth $(A)$ and $(B)$
Explore More
Similar Questions
Column-$I$ Column-$II$ $A$. Metal which occurs in the native state in nature is $P$. $Hg$ $B$. The oxide of metal that can be commercially reduced by Aluminothermic reduction process is $Q$. $Ti$ $C$. van Arkel method is used for preparing ultrapure metal of $R$. $Cr$ $D$. Auto reduction process is employed for the sulphide ore of $S$. $Ag$
| Column-$I$ | Column-$II$ |
| $A$. Metal which occurs in the native state in nature is | $P$. $Hg$ |
| $B$. The oxide of metal that can be commercially reduced by Aluminothermic reduction process is | $Q$. $Ti$ |
| $C$. van Arkel method is used for preparing ultrapure metal of | $R$. $Cr$ |
| $D$. Auto reduction process is employed for the sulphide ore of | $S$. $Ag$ |
Medium
View SolutionBessemerisation is carried out for:
$I$: $Fe$
$II$: $Cu$
$III$: $Al$
$IV$: Silver
$I$: $Fe$
$II$: $Cu$
$III$: $Al$
$IV$: Silver
Medium
View SolutionMatch List-$I$ with List-$II$ and select the correct code.
List-$I$ List-$II$ $I.$ Cyanide process $a.$ Ultrapure $Ge$ $II.$ Froth floatation process $b.$ Pine oil $III.$ Electrolytic reduction $c.$ Extraction of $Al$ $IV.$ Zone refining $d.$ Extraction of $Au$
| List-$I$ | List-$II$ |
|---|---|
| $I.$ Cyanide process | $a.$ Ultrapure $Ge$ |
| $II.$ Froth floatation process | $b.$ Pine oil |
| $III.$ Electrolytic reduction | $c.$ Extraction of $Al$ |
| $IV.$ Zone refining | $d.$ Extraction of $Au$ |
Medium
View SolutionWhich one of the following reactions does not occur during the extraction of copper?
DifficultJEE MAIN 2023
View SolutionOne of the constituents of German silver is:
Vedclass 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