Question

WHICH ONE OF THE FOLLOWING ALKYL HALIDES GIVES THE HIGHEST RATIO OF SUBSTITUTION TO ELIMINATION ON TREATMENT WITH SODUM ETHOXIDE IN ETHANOL

1-BROMOPENTANE
2-BROMOPENTANE
3-BROMOPENTANE
1-BROMO-2-METHYLBUTANE
2-BROMO-2-METHYLBUTANE
Elimination reactions are favored in 3<sup>o</sup> > 2<sup>o</sup> > 1<sup>o</sup> so it seems to me, the way the question is worded, that the answer is the primary halide. Check my thinking.

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