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What does 'Bu' & 'Na' & 'S' stand for in Buna-S polymer respectively?

$\begin{array}{1 1}(a)\;\text{1,3-butadiene,styrene,sodium}\\(b)\; \text{butadiene,sodium,styrene}\\(c)\;\text{benzene,sodium,styrene}\\(d)\;\text{butyl alchol,sodium,styrene}\end{array}$

1 Answer

Styrene butadiene rubber is also called Buna-S ,in which 'Bu' stands for butadiene,'na' stands for sodium and 'S' stands for styrene.
Hence (b) is the correct answer.
answered Mar 13, 2014 by sreemathi.v