A) White colour
B) Yellow colour
C) Red colour
D) Blue colour
Correct Answer: C
Solution :
\[HCHO+2C{{u}^{+2}}+5O{{H}^{-}}\underset{\text{solution}}{\mathop{\xrightarrow{\text{Fehling}}}}\,\underset{\text{Red}\,\,\,ppt}{\mathop{HCO{{O}^{-}}+C{{u}_{2}}O+3{{H}_{2}}O}}\,\]
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