Which will form lactone on treatment with NaOH?

Question

Which will form lactone on treatment with NaOH? (A) α -bromo acid (B) β -bromo acid (C) β -hydroxy acid (D) δ -bromo acid

Tardigrade Admin · Accepted Answer

δ -bromo acid on heating with NaOH gives lactone as follows <img class="img-fluid question-image" alt="Solution" src="https://cdn.tardigrade.in/q/nta/c-blkmsy9mvortebnj.jpg" />

Q. Which will form lactone on treatment with NaOH?

$α$ -bromo acid

$β$ -bromo acid

$β$ -hydroxy acid

$δ$ -bromo acid

$δ$ -bromo acid on heating with NaOH gives lactone as follows