Question

The alkaline $\mathrm { CuSO } _ { 4 }$ containing sodium potassium tartrate does not react with

• A. $\mathrm { CH } _ { 3 } \mathrm { CHO }$
• B.
• C. $\mathrm { C } _ { 6 } \mathrm { H } _ { 5 } \mathrm { CH } _ { 2 } \mathrm { CHO }$
• D. $\mathrm { C } _ { 6 } \mathrm { H } _ { 5 } \mathrm { CHO }$

Answer 1

Answer: (D)

$\mathrm { C } _ { 6 } \mathrm { H } _ { 5 } \mathrm { CHO }$

Answer 2

The solution represented is fehling’s and it has no tendency to oxidise benzaldehyde.