15. POLYMERS (HM)
Explanation:
\(\mathop {C{H_2}}\limits^{gsM} = \mathop {\mathop {C - }\limits_{|\,\,\,} }\limits_{C{H_3}} CH = \mathop {C{H_2}}\limits^{Vsy} + \mathop {C{H_2}}\limits^{gsM} = \mathop {\mathop {C - CH}\limits_{\,\,\,\,\,\,|} }\limits_{\,\,\,\,\,\,\,\,C{H_3}} = \mathop {C{H_2}\,}\limits^{Vsy} \to \)
\({\rlap{-} (C{H_2} - \mathop {\mathop {C{\text{ }} = {\text{ }}}\limits_{|{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} } CH}\limits_{C{H_2}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } - C{H_2} - C{H_2} - \mathop {\mathop {C{\text{ }} = {\text{ }}}\limits_{|{\kern 1pt} {\kern 1pt} {\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} } CH}\limits_{C{H_3}{\kern 1pt} {\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } - C{H_2}\rlap{-} )_n}\)
त्रिविम प्रभाव में जो बहुलक बनता है उसमें हेड टू टेल विन्यास (head to tail) होता है।