What sized ring is formed when two carboxylic acids form a dimeric structure through intermolecular hydrogen…

What sized ring is formed when two carboxylic acids form a dimeric structure through intermolecular hydrogen bonding? (consider hydrogen bond as a bond)
  1. 5-membered
  2. 6-membered
  3. 4-membered
  4. 8-membered

Solution

\(2 R-\mathrm{COOH} \xrightarrow{\text { Dimerisation }}(R-\mathrm{COOH})_2\)

Asked in: AP EAMCET 2020 (18 Sep Shift 2)

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