#39; and 'B' respectively. They u. Tags and topics: Alcohols, Phenols and Ethers,Reactions of Alcohols,JEE MAIN,JEE Advanced,JEE Mains,NCERT,NEET,Questions With Image, Class 11 Chemistry,Class 12 Chemistry,JEE Main Chemistry."> #39; and 'B' respectively. They u. Tags and topics: Alcohols, Phenols and Ethers,Reactions of Alcohols,JEE MAIN,JEE Advanced,JEE Mains,NCERT,NEET,Questions With Image, Class 11 Chemistry,Class 12 Chemistry,JEE Main Chemistry."> #39; and 'B' respectively. They u. Tags and topics: Alcohols, Phenols and Ethers,Reactions of Alcohols,JEE MAIN,JEE Advanced,JEE Mains,NCERT,NEET,Questions With Image, Class 11 Chemistry,Class 12 Chemistry,JEE Main Chemistry.">
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Question

In the above reaction, left hand side and right hand side rings are named as '$\mathrm{A}$' and 'B' respectively. They undergo ring expansion. The correct statement for this process is:

Finally both rings will become six membered each.
Only A will become 6 membered.
Ring expansion can go upto seven membered rings
Finally both rings will become five membered each.

Solution

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