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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
Fehling solution react with $HCHO$ to form precipitate of
  • A
    White colour
  • B
    Yellow colour
  • ✓
    Red colour
  • D
    Blue colour
✓

Answer

Correct option: C.
Red colour
c
(c) $HCHO + 2C{u^{ + 2}} + 5O{H^ - }\mathop {\xrightarrow{{{\text{Fehling}}}}}\limits_{{\text{solution}}} \mathop {HCO{O^ - } + C{u_2}O + 3{H_2}O}\limits_{{\text{Red}}\,\,\,ppt} $

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