MCQOPTIONS
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MCQOPTIONS
| 1. |
Structure of some important polymers are given. Which one represents Buna-S? |
| A. | \[-(C{{H}_{2}}-\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,=CH-C{{H}_{2}}){{-}_{n}}\] |
| B. | \[-(C{{H}_{2}}-CH=CH-C{{H}_{2}}-\underset{{{C}_{6}}{{H}_{5}}}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-C{{H}_{2}}){{-}_{n}}\] |
| C. | \[-(C{{H}_{2}}-CH=CH-C{{H}_{2}}-\underset{CN}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-C{{H}_{2}}){{-}_{n}}\] |
| D. | \[-(C{{H}_{2}}-\overset{Cl}{\mathop{\overset{|}{\mathop{C}}\,}}\,=CH-C{{H}_{2}}){{-}_{n}}\] |
| Answer» C. \[-(C{{H}_{2}}-CH=CH-C{{H}_{2}}-\underset{CN}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-C{{H}_{2}}){{-}_{n}}\] | |