The Biuret, Bradford, and Lowry methods involve colorimetric techniques for estimating protein concentrations. Anthrone is used for carbohydrate estimation.
Which of the following (A) or (B) will be the major product in the reaction given below? Give a suitable reason for your answer.
\[ \text{CH}_3\text{CH}_2\text{CH}_2\text{Br} + \text{KOH} \rightarrow \]