Which of the following is NOT a possible isomer of hexane?A2-methyl pentaneB3-methyl pentaneC2-ethyl pentaneD2,2 dimethyl butaneAnswer: C. 2-ethyl pentane Read Explanation: 2-ethylpentane is not a structural isomer of hexane because it exceeds the six-carbon chain, while the other options are valid isomers of hexane. Hexane is an organic compound, a straight-chain alkane with six carbon atoms with the molecular formula C6H14. Read more in App