55

Part of 2004 National Chemistry Olympiad

Problems(1)

2004 USNCO Problem 55: n-butane

Source:

Which formula represents n-butane?
(A) \ce{CH3CH2CH2CH3} \qquad(B) \ce{CH2=CHCH2CH3} \qquad(C) \ce{(CH3)2CHCH3} \qquad(D) \ce{(CH3)3CH}\qquad