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8.1. Aldehydes and ketones — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry8.1. Aldehydes and ketones1 Mark
MCQ
$2-$ pentanone can be distinguished from $3-$ pentanone by the reagent
  • A
    $2, 4-$ dinitrophenyl hydrazine
  • B
    Tollens reagent
  • ✓
     $I_2$ and dil. $NaOH$
  • D
    $NaHSO_3$
✓

Answer

Correct option: C.
 $I_2$ and dil. $NaOH$
c
$2-$ Pentanone gives yellow ppt of Iodoform with $I_2 + NaOH$

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