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MMLU-Pro / 4640 / The hydrogenation of ethylene C_2H_4 + H_2 …

Problem

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question

The hydrogenation of ethylene C_2H_4 + H_2 \rightarrow C_2H_6 in the presence of mercury vapor is thought to proceed through the following steps. Hg + H_2 \rightarrow^(k)1 Hg + 2H(1) H + C_2H_4 \rightarrow^(k)2 C_2H_5(2) C_2H_5 + H_2 \rightarrow^(k)3 C_2H_6 + H(3) H + H \rightarrow^(k)4 H_2(4) Assuming that H and C_2H_5 attain equilibrium determine the rate of formation of C_2H_6 in terms of the rate constants and concentrations [Hg], [H_2] and [C_2H_4].

category

chemistry

options

  1. k_3 [C_2H_6] [(k_1[Hg] [H_2]) / {k_4}]^1/2
  2. k_3 [C_2H_4] [(k_1[Hg] [H_2]) / {k_4}]^1/2
  3. k_3 [C_2H_5] [(k_2[Hg] [H_2]) / {k_4}]^1/2
  4. k_2 [C_2H_4] [(k_1[Hg] [H_2]) / {k_4}]^1/2
  5. k_2 [C_2H_4] [(k_1[Hg] [H_2])^2 / {k_4}]^1/2
  6. k_1 [C_2H_6] [(k_2[Hg] [H_2]) / {k_3}]^1/2
  7. k_2 [C_2H_4] [(k_1[Hg] [H_2]) / {k_3}]^1/2
  8. k_2 [C_2H_4] [(k_3[Hg] [H_2]) / {k_4}]^1/2
  9. k_1 [C_2H_4] [H_2] / {k_4}
  10. k_2 [C_2H_5] [(k_1[Hg] [H_2]) / {k_4}]^1/2

src

stemez-PhysicalChemistry

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Source and history

upstream_id / Original problem ID
4640
task_id
0ece5131-4479-5d2e-9912-7c09802d455c
task_key
default--test--4640
task_revision_id
1
config / split
default / test

Official source

initial import