' R ' formed in the following sequence of reaction is:

' $R$ ' formed in the following sequence of reaction is:

Options

Correct answer

B. Match List I with List II List-I (Polymer) List-II (Nature) A I Thermosetting polymer B II Fibers C III Elastomer D IV

Step-by-step solution

Ketonic part of the reactant reacts with sodium cyanide to give cyanohydrin and it cinverts to carboxylic acid on hydrolysis. The carboxylic acid part undergoes esterification reaction in the presence of ethyl alcohol in acidic medium. The ester part convert to tertiary alcohol with Grignard reagent.

' R ' formed in the following sequence of reaction is:

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