1.

Write the tautomer of acetaldehyde and give its IUPAC name. Which of the two is more stable and why ?

Answer»

SOLUTION :
The tautomer, eth-1-en-1ol (i.e., vinyl ALCOHOL) is less stable than acetaldehyde because C = O `pi`-BOND `(364 KJ mol^(-1))` is MUCH stronger than C=C `pi`-bond `(254 kJ mol^(-1))`.


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