Question

Which of the following has the most acidic hydrogen?
1) 3- Hexanone 2) 2,4- Hexanedione
3) 2,5- Hexanedione 4) 2,3- Hexanedione

Answer 1

The correct option is 2

2,4 Hexanedione has most acidic hydrogen this is because the Carbanion left after the removal of $H^{+}$ is resonance.