Question 47
Alkanals and AlkanonesReduction of alkanonoes with LiAlH4 produces
- A.primary alkanols
- B.secondary alkanols
- C.tertiary alkanols
- D.polyhydric alkanols
Show the answer and explanation
Answer: B (secondary alkanols)
Explanation
In an alkanone the C=O carbon is joined to two carbon groups; adding hydrogen to it gives a secondary alkanol, e.g. propanone → propan-2-ol.