Aromatic Aldehydes Ketones and Acids - Result Question 10
12. The major product obtained in the following reaction is

(2017 Main)
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Answer:
Correct Answer: 12. (a)
Solution:
- DIBAL-H (Di-isobutyl aluminium hydride) is a reducing agent with formula. This is generally used for the preparation of aldehydes. Using DIBAL $-H$, Lactones are reduced directly to aldehydes.