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ChemistryJEE Main 21 Jan 2026, Shift 2·Q7·MCQ·Easy

Aldehydes, Ketones & Acids · Named reactions for aldehyde preparation

Match List-I with List-II.
List-I (Reagents)List-II (Reaction Name (Involving aldehydes))
A.HX2\ce{H2}, Pd-BaSOX4\ce{BaSO4}I.Etard Reaction
B.SnClX2\ce{SnCl2}, HClII.Rosenmund Reduction
C.CrOX2ClX2\ce{CrO2Cl2}, CSX2\ce{CS2}III.Gatterman – Koch Reaction
D.CO, HCl, Anhyd. AlClX3\ce{AlCl3}IV.Stephen Reaction
Choose the correct answer from the options given below:
  1. (1)A-II, B-III, C-IV, D-I
  2. (2)A-IV, B-III, C-I, D-II
  3. (3)A-IV, B-I, C-II, D-III
  4. (4)A-II, B-IV, C-I, D-III

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See the full 21 Jan 2026, Shift 2 paper