Question

Cyanohydrin of which of the following forms lactic acid
A. HCHO
B. `CH_(3)COCH_(3)`
C. `CH_(3)CHO`
D. `CH_(3)CH_(2)CHO`.

Answer 1

Correct Answer - D
`underset("Acetaldehyde")(CH_(3)-overset(H)overset(|)C=O+HCN)rarrCH_(3)-overset(H)overset("|")underset("CN")underset(" | ")"C"-OHoverset(H_(2)"O"//H^(+))rarrCH_(3)-overset("H ")overset("| ")underset(underset("Lactic aicd")(COOH))underset("| ")"C " -OH`