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MODEL PAPER 2 — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryMODEL PAPER 21 Mark
MCQ
How to do the following conversion: $RCOOCI + ? \rightarrow RCHO$
  • A
    Using $H_2-Pd, BaSO_4$
  • B
    Using $ \text{DIBAL-H}$
  • C
    Using $H_2 - Pd$
  • D
    Using $NaBH_4$
✓

Answer

Catalytic hydrogenation of acid chloride using $H_2-Pd, BaSO_4$ converts acid chloride selectively to aldehydes $(BaSO_4$ reduces the activity of palladium$).$ This is known as Rosenmund Reduction.
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