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GK QUESTION#3506

Which of the following is the IUPAC name of m-Dichlorobenzene?

  1. A3,4-Dichlorobenzene
  2. B1,2-Dichlorobenzene
  3. C2,3-Dichlorobenzene
  4. D1,3-DichlorobenzeneCorrect answer
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Answer

D. 1,3-Dichlorobenzene

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Explanation

The prefix meta, abbreviated m-, places the two substituents at positions 1 and 3 on a benzene ring. Thus m-dichlorobenzene is 1,3-dichlorobenzene. Ortho corresponds to 1,2 and para to 1,4.

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