Neighbouring Group Participation
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What is correct about the reaction and the product?
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1214648/original_7q.png)
What is correct about the reaction and the product?
- Product A is a five membered carbaldehyde
- the migrating group and leaving group are antiperiplanar which leads to ring contraction
- Formed product cannot reduce Tollen's reagent
- Product A undergoes Cannizzaro's reaction with aq. KOH