BITSAT 2018 Slot 2 Solved Paper

The process of producing syn gas or synthesis gas from coal is called ‘coal gasification’?

C(s)

Coal

+

H2O(g)

Steam

1270K

────▸

CO(g)+H2(g)

synthesis‌gas

The production of hydrogen can be increased by reaching carbon monoxide of the syn gas with steam in the presence of iron chromate as a catalyst at 673 K.
CO(g)+H2O(g)

FeCrO4,673K

────────▸

CO2(g) +H2(g)
CO2 is removed by scrubbing with a solution of sodium arsenite.