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Question

Synthetic petrol is prepared by using a mixture of:

A
coal gas + H2 gas
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B
water gas + H2 gas
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C
semi water gas
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D
carburatted water gas
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Solution

The correct option is A coal gas + H2 gas
One of the most important process of producing synthetic fuels is the Bergius process.

In which, coal is heated with hydrogen gas to produce a mixture of hydrocarbons via the process of hydrogenation.

General reaction:
nC+(nx+1)H2CnH2n2x+2

where x is degree of unsaturation.

Synthetic fuel or synfuel is a liquid fuel, or sometimes gaseous fuel, obtained from syngas, a mixture of carbon monoxide and hydrogen, in which the syngas was derived from gasification of solid feedstocks such as coal or biomass or by reforming of natural gas.

Option A is correct.

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