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Hydrogen

Question
CBSEENCH11006885

What do you understand by the term syngas?

Solution
Syngas (or synthesis gas) is a mixture of CO and H2. It is obtained by the action of steam on hydrocarbon or coke at high temperature in the presence of nickel as catalyst.
straight C subscript straight n straight H subscript 2 straight n plus 2 end subscript space plus space nH subscript 2 straight O left parenthesis straight g right parenthesis space space space rightwards arrow from Ni to 1270 space straight K of space nCO space plus space left parenthesis 2 straight n plus 1 right parenthesis straight H subscript 2
CH subscript 4 left parenthesis straight g right parenthesis space plus space straight H subscript 2 left parenthesis straight g right parenthesis space space rightwards arrow from Ni to 1270 space straight K of space CO left parenthesis straight g right parenthesis space plus space 3 straight H subscript 2 left parenthesis straight g right parenthesis

Nowadays ‘syngas’ is obtained from sewage, sawdust, scrap wood, newspaper etc. The process of getting syngas from coal is called “'coal gasification. ”.
straight C left parenthesis straight s right parenthesis space plus space straight H subscript 2 straight O space space rightwards arrow from Ni to 1270 straight K of space CO left parenthesis straight g right parenthesis space plus space straight H subscript 2 left parenthesis straight g right parenthesis