Quantrex Academy · Free MHT CET PYQ solutions
MHT CET Chemistry Carboxylic Acid Derivatives 2026 MHT CET 2026 (17 April Shift 2)

MHT CET Chemistry Question (2026) — Solution

Question

Identify the main product of following reaction

Options

  1. A. R - COOH
  2. B. RCOR '
  3. C. RCHO
  4. D. R CH _2 OH

Answer

C. RCHO

Step-by-step solution

DIBAL-H (Diisobutylaluminium hydride) is a selective reducing agent. It reduces esters and nitriles to aldehydes. The reaction proceeds as follows: R - CO - O - R ' [ 2. H _3 O ^+] 1. DIBAL-H R - CHO + R '- OH Therefore, the main product is an aldehyde, RCHO . Answer: RCHO

Practice more on Quantrex App →

Related: Chemistry — Carboxylic Acid Derivatives · All PYQ Banks