Q38 / 150 · MHT CET 2026 (20 April Shift 1) · Chemistry

Identify the catalyst used in synthesis of gasoline by Fischer Tropsch process.

  • A
    Platinized asbestos
  • B
    Fe-Cr
  • Correct answer
    C
    Co-Th
  • D
    $\text{MnO}_2$

Solution

The Fischer-Tropsch process is a collection of chemical reactions that converts a mixture of carbon monoxide and hydrogen (syngas) into liquid hydrocarbons, such as gasoline.

The reaction requires a catalyst to proceed efficiently. The most common and historically significant catalysts used for this synthesis are based on transition metals like cobalt, iron, or ruthenium.

Specifically, a mixture of cobalt and thorium oxide (Co-Th) supported on kieselguhr is a classic and widely used catalyst in the Fischer-Tropsch synthesis of gasoline.

Answer: Co-Th

Hence, the correct answer is option: 'C'.

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