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Which of the following representations is the same molecule as the one below?

Which of the following representations is the same molecule as the one below? class=
Which of the following representations is the same molecule as the one below? class=

Verified Answer :

The best and most correct answer among the choices provided by the question is the first choice or letter A.

Assuming the black is carbon and grey/white is hydrogen 

I hope my answer has come to your help. God bless and have a nice day ahead!

jbferrado

Answer:

The correct answer is structure A

Explanation:

The molecule is a hydrocarbon chain, which is composed by carbon atoms (in black) and hydrogen atoms (in grey) and it thas 8 carbons bonded by single bonds. The first and the last carbons has 3 hydrogens, the rest has 2 hydrogens (because they participate in two C-C bonds). The other options are not equal: structure B is a hydrocarbon chain with 7 carbon atoms, structure C has 10 carbon atoms and structure D is composed by a 3-carbon chain bonded to another 3-carbon chain by an hydrogen atom.

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