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MHT CET202410 May 2024Evening ShiftChemistryHaloalkanes and HaloarenesActual

Which among the following is haloalkyne?

Options

  1. ACH ₃- CH ₂- CH = CH - X
  2. BCH ₃- C C - CH ₂- X
  3. CCH C - CH ₂- CH ₂- X
  4. DCH ₃- CH ₂- C C - X

Correct answer

D. CH ₃- CH ₂- C C - X

Step-by-step solution

A haloalkyne is a compound that contains both a halogen (X) and a triple bond (alkyne group, C C ). Let's analyze the given options: - (A) CH ₃- CH ₂- CH = CH -X : This is a haloalkene, not a haloalkyne. The structure has a double bond ( C = CH ) , not a triple bond ( C C ) . Therefore, this is not a haloalkyne. - (B) CH ₃- C C - CH ₂- X : This is a haloalkyne. It contains a triple bond ( C C ) between carbon atoms and a halogen ( X ) attached to a carbon. This matches the definition of a haloalkyne. - (C) CH C - C

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