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Carboxylic Acids & Their Derivatives formula sheet

Every formula in the Carboxylic Acids & Their Derivatives chapter for JEE Main, with one line on when it applies. Topic 1 is open to everyone; sign in free to read all 12 and download the PDF.

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Structure, properties and preparation

Series and boiling point
3× asked, last 2024
CnH2n+1COOH (n≥0)b.p.: RCOOH>ROH>RCHO, RCORX′\begin{aligned}&\mathrm{C}_n\mathrm{H}_{2n+1}\mathrm{COOH}\ (n\ge0)\\&\text{b.p.: }\ce{RCOOH}>\ce{ROH}>\ce{RCHO},\ \ce{RCOR^{\prime}}\end{aligned}
Similar mass; H-bonded dimers even in vapour. Series starts at HCOOH. Picric acid has no COOH.
Preparation
2× asked, last 2025
RCHX2OH→KMnOX4,  HX+RCOOHCX6HX5CHX2R→(ii) HX3OX+(i) KMnOX4/KOHCX6HX5COOHRCN→HX3OX+,  ΔRCOOH,RMgX→(ii) HX3OX+(i) COX2RCOOHRCOORX′→HX3OX+RCOOH\begin{aligned}&\ce{RCH2OH ->[\ce{KMnO4},\ \ce{H+}] RCOOH}\\&\ce{C6H5CH2R ->[(i)\ \ce{KMnO4}/\ce{KOH}][(ii)\ \ce{H3O+}] C6H5COOH}\\&\ce{RCN ->[\ce{H3O+},\ \Delta] RCOOH},\qquad \ce{RMgX ->[(i)\ \ce{CO2}][(ii)\ \ce{H3O+}] RCOOH}\\&\ce{RCOOR^{\prime} ->[\ce{H3O+}] RCOOH}\end{aligned}
Grignard + COX2\ce{CO2} adds one C; haloform removes one. Benzylic H needed. PCC and Stephen stop at the aldehyde.

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10 more formulas in 2 topics

Acidity and Reactions of acids and their derivatives. Read the first part free. Sign in free with Google to read the rest and download the PDF.

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Acidity

  • Acidity and NaHCO₃2×
  • Aliphatic acids
  • Benzoic acids1×
  • Ring substitution

Reactions of acids and their derivatives

  • Fischer esterification2×
  • Acid chlorides, anhydrides, amides1×
  • Reduction1×
  • Decarboxylation, Kolbe, HVZ
  • Acyl substitution reactivity1×
  • Esters with Grignard1×

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