The incorrect statement about ' B ' is

• A

  It gives test with Tollens reagent
• Correct answer
  B

  It gives test with Fehling's solution
• C

  It does not give test with $\mathrm{NaOH}+\mathrm{I}_2$ solution
• D

  It forms acid and alcohol with concentrated NaOH . followed by acidification

Solution

Aromatic aldehyde give tollens reagent test but does not give fehling and iodoform test and it gives acid and alcohol by cannizaro reaction.

Hence, the correct answer is option: 'B'.