which-of-the-following-condensed-structural-formulas-does-not-represent-a-pentan

Question

Which of the following condensed structural formulas does not represent an n-pentane conformer?

Condensed structural formulas of n-pentane conformers labeled i to v for isomer identification.

Accepted Answer

ii, v

Answer

i, ii, v

Answer

i, iii, iv

Answer

ii, iii, iv, v