Verified Solution • 2025–26 Session moderate

QAIPMT-2009-Ch-2129: NEET 2009 Chemistry - Class 11 AIPMT-2009-Ch-2129 Solution: Propionic acid with \(Br_2/P\) yields a dibromo product. Its…

Propionic acid with Br2/PBr_2/P yields a dibromo product. Its structure would be CH2(Br)−CH2−COBrCH_2(Br)-CH_2-COBr CH2(Br)−CH(Br)−COOHCH_2(Br)-CH(Br)-COOH

Multiple Choice Options

  • A +3, +6 and +5
  • B +5, +3 and +6
  • C −- _ 3, +6 and + 6
  • D +5, +6 and +6

Step-by-Step Verified Solution

Let oxidation number of P in PO 4 3� be x. _ x + 4(�2) = �3 _ x = +5 Let oxidation number of S in SO 4 2� be y. _ y + 4(�2) = �2 _ y = +6 Let oxidation number of Cr in Cr 2 O 7 2� be z. _ 2z + 7(�2) = �2 _ z = +6

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