JEE Main · ChemistryMedium
The monomer units of are:
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: A —
Solution
- Recall the synthesis of phenol-formaldehyde resins.
- The reaction involves the electrophilic substitution of phenol with formaldehyde.
- This process leads to the formation of novolac or resol, which cross-link to form Bakelite.
- Hence the answer is (A).
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