Concept explainers
(a)
Interpretation:
Line formula for 4-ethyl-2-methylhexane has to be drawn.
Concept Introduction:
Organic compounds can be drawn from its IUPAC name. Initially, the parent chain is identified from the IUPAC name. After that the carbon chain is drawn with carbon atoms alone. Next step is to add the substituents in the respective positions as indicated in the IUPAC name. Remaining valency of carbon atom is satisfied by adding correct number of hydrogen atoms.
Line formula is the simplest representation of molecule. Carbon atoms are not explicitly shown in line formula. Intersection of lines and the end point of line are considered as carbon atoms. At the end-point it is understood as methyl group. Heteroatoms and hydrogen bonded to the heteroatoms are shown explicitly.
(b)
Interpretation:
Line formula for 2,3-dimethylhexane has to be drawn.
Concept Introduction:
Refer part (a).
(c)
Interpretation:
Line formula for 3,3-dimethylhexane has to be drawn.
Concept Introduction:
Refer part (a).
(d)
Interpretation:
Line formula for 3-ethylpentane has to be drawn.
Concept Introduction:
Refer part (a).
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