ChemistryCLASS 10CBSE
answered 19 May 2026CH3OH → C2H5OH (chain extension)
A.VERIFIED ANSWERfact-checked by tutors
CH3OH → CH3I (using HI) → CH3CN (using KCN) → CH3COOH (hydrolysis) → C2H5OH (reduction with LiAlH₄). Alternatively, use the Grignard route with formaldehyde.