PolymershardNUMERICAL

Consider the structure of the monomer styrene, which is heavily used in the production of Buna-S andPolymers Chemistry Question

Question

Consider the structure of the monomer styrene, which is heavily used in the production of Buna-S and ABS rubbers. What is the total number of $sp^2$ hybridized carbon atoms in a single molecule of styrene?

Answer: 8

💡 Solution & Explanation

Styrene is vinylbenzene ($C_6H_5-CH=CH_2$). The benzene ring contains 6 carbon atoms, all of which are $sp^2$ hybridized. The vinyl group ($-CH=CH_2$) contains 2 carbon atoms connected by a double bond, both of which are also $sp^2$ hybridized. Total = $6 + 2 = 8$.

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