Question

In the hydrodealkylation of toluene to benzene, the following reactions occur:

C₇H₈ + H₂ → C₆H₆ + CH₄
2C₆H₆ ↔ C₁₂H₁₀ + H₂

Toluene and hydrogen are fed to a reactor in a molar ratio 1:5. 80% of the toluene gets converted and the selectivity of benzene(defined as moles of benzene formed/moles of toluene converted) is 90%. The fractional conversion of hydrogen is

a.

0.16

b.

0.144

c.

0.152

d.

0.136

Answer: (b).0.144

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Q. In the hydrodealkylation of toluene to benzene, the following reactions occur: C₇H₈ + H₂ → C₆H₆ + CH₄ 2C₆H₆ ↔ C₁₂H₁₀ + H₂ Toluene and hydrogen are fed to a reactor...

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