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Which of the following is the correct reaction for the hydrogenation of 1-butyne

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Question: Which of the following is the correct reaction for the hydrogenation of 1-butyne?

Options:

  1. C4H6 + H2 β†’ C4H10
  2. C4H6 + H2 β†’ C4H8
  3. C4H6 + H2 β†’ C4H12
  4. C4H6 + H2 β†’ C4H4

Correct Answer: C4H6 + H2 β†’ C4H8

Solution:

1-butyne (C4H6) reacts with hydrogen (H2) to form butene (C4H8) under catalytic conditions.

Which of the following is the correct reaction for the hydrogenation of 1-butyne

Practice Questions

Q1
Which of the following is the correct reaction for the hydrogenation of 1-butyne?
  1. C4H6 + H2 β†’ C4H10
  2. C4H6 + H2 β†’ C4H8
  3. C4H6 + H2 β†’ C4H12
  4. C4H6 + H2 β†’ C4H4

Questions & Step-by-Step Solutions

Which of the following is the correct reaction for the hydrogenation of 1-butyne?
  • Step 1: Identify the starting material, which is 1-butyne (C4H6).
  • Step 2: Recognize that hydrogen (H2) is needed for the reaction.
  • Step 3: Understand that the reaction occurs under catalytic conditions, meaning a catalyst is used to speed up the reaction.
  • Step 4: Know that during hydrogenation, the triple bond in 1-butyne is converted to a double bond.
  • Step 5: The product formed from this reaction is butene (C4H8).
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