A hydrocarbon of moleuclar formula `C_(6)H_(10)` reacts with sodamide and the same on ozolysis followed by hydrogen peroxide oxidation gives two molecules of carboxylic acids, one being optically active. Then the hydrocarbon must be
A. 1-hexyne
B. 2-hexyne
C. 3-hexane
D. 3-methyl-1-pentane