The structure of 3-propylpentane is best described as

A. a three-carbon chain with a five-carbon branch on the fifth carbon in the chain.
B. a three-carbon chain with a three-carbon branch on the third carbon in the chain.
C. a five-carbon ring with a three-carbon branch on the third carbon in the ring.
D. a five-carbon chain with a three-carbon branch on the third carbon in the chain.

Question

The structure of 3-propylpentane is best described as 
    
A. a three-carbon chain with a five-carbon branch on the fifth carbon in the chain.
B. a three-carbon chain with a three-carbon branch on the third carbon in the chain.
C. a five-carbon ring with a three-carbon branch on the third carbon in the ring.
D. a five-carbon chain with a three-carbon branch on the third carbon in the chain.

anonymous · Answer

@aaronq

aaronq · Answer

3 = position of side group (on main chain)

propyl = side group = 3 carbons 

pentane = main chain = 5 carbons

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anonymous · Answer

A?

aaronq · Answer

D. a five-carbon chain with a three-carbon branch on the third carbon in the chain.