Extraction of Crude Metal from Concentrated Ore

Out of C and CO, which is a better reducing agent at 673 K?

Which reagents are required for one step conversion of chlorobenzene to toluene?

The reaction of toluene with Cl₂ in presence of FeCl₃ gives ‘X’ while the of toluene with Cl₂ in presence of light gives ‘Y’. Thus ‘X’ and ‘Y’are ______.

Out of C and CO, which is a better reducing agent for ZnO ?

Why copper matte is put in silica lined converter?

Giving examples, differentiate between ‘roasting’ and ‘calcination’.

Extraction of gold and silver involves leaching the metal with CN^– ion. The metal is recovered by ______.

At the temperature corresponding to which of the points in figure, FeO will be reduced to Fe by coupling the reaction \[\ce{2FeO -> 2Fe + O2}\] with all of the following reactions?

(a) \[\ce{C + O2 -> CO2}\]

(b) \[\ce{2C + O2 -> 2CO}\]

(c) \[\ce{2CO + O2 -> 2CO2}\]

(i) Point A

(ii) Point B

(iii) Point D

(iv) Point E