Answer: Bakelite.
- A Nylon
- B Bakelite
- C Teflon
- D PVC
Correct answer: B. Bakelite
Explanation: Formaldehyde reacts with phenol to form Bakelite (a thermosetting resin).
Curved arrows show the nucleophile attacking the carbonyl carbon while the C=O pi electrons move onto oxygen, giving a tetrahedral alkoxide intermediate.
Concept context
Aldehydes, ketones, carboxylic acids, and their derivatives (esters, amides, acid chlorides). Key reactions include nucleophilic addition, Aldol condensation, Cannizzaro, and Claisen. Very heavily tested in JEE and NEET.
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