A compound forms orange red ppt. with 2, 4-DNP but no yellow ppt. with I2 and NaOH. It reduces Tollen’s reagent but not Fehling’s reagent. The compound may be

A compound forms orange red ppt. with 2,4-DNP means :  It is a Carbonyl compound.No yellow ppt. with I2 and NaOH means:  It does not have -COCH3 group.It reduces Tollen's but not Fehling's means: It is an Aromatic aldehyde.