Solved papers for JEE Main & Advanced JEE Main Paper (Held On 9 April 2014)

done JEE Main Paper (Held On 9 April 2014) Total Questions - 1

• question_answer1) Structure of some important polymers are given. Which one represents Buna-S?   [JEE Main Online Paper ( Held On 09 Apirl  2014  )
  A)
  \[(-C{{H}_{2}}-\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{C}}\,=CH-C{{H}_{2}}-)n\]
  done clear
  B)
  \[(-C{{H}_{2}}-CH=CH-C{{H}_{2}}-\underset{\begin{smallmatrix}  | \\  {{C}_{6}}{{H}_{5}} \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{2}}\overline{n})\]
  done clear
  C)
  \[(-C{{H}_{2}}-CH=CH-C{{H}_{2}}-\underset{\begin{smallmatrix}  | \\  CN \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{2}}-)n\]
  done clear
  D)
  \[{{(-C{{H}_{2}}-\overset{\begin{smallmatrix}  Cl \\  | \end{smallmatrix}}{\mathop{C}}\,=CH-C{{H}_{2}}-)}_{n}}\]
  done clear
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