The second structure corresponds to the 2,2-dimethylpropanal molecule as it is C₅H₁₀O. Thus, option B is correct.
What is molecular structure?
A molecular structure is a representation of the atoms and the molecules of the compound along with their numbers. It is different from the skeletal structure as it does not shows an overview of the chains and branches.
2,2-dimethylpropanal is an aldehyde-containing molecule that contains 5 carbon, 10 hydrogens, and one oxygen atom in its formula and is best represented in figure B.
Therefore, figure B shows 2,2-dimethylpropanal.
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