Question

write down the structural formula of ethane, propane, butane, pentane along with their electron dot structure.​

Answer 1

Answer:

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Answer 2

Propane is a hydrocarbon that is composed of carbon and hydrogen atoms. As valence electrons are used to draw the electron dot structure, the number of valence electrons of propane must be identified. Accordingly, propane has 20 valence electrons. As Carbon atom is present in less, it is determined as the center atom.