JEE Main 2015 · 11 Apr · Shift 1 · Chemistry Q57

ChemistrySingle correct+4 / -1Question 57 of 90

Which one of the following structures represents the neoprene polymer ?

\ce{-[CH2-C(Cl)=CH-CH2]_{n}-}

\ce{-[CH2-CH(CN)]_{n}-}

\ce{-[CH2-CH(Cl)]_{n}-}

\ce{-[CH(C6H5)-CH2]_{n}-}

Answer and worked solution

Official answer: A

Neoprene is polychloroprene, $\ce{-[CH2-C(Cl)=CH-CH2]_{n}-}$ .

JEE Main 2015 · 11 Apr · Shift 1, Chemistry question 57