Options:
A.
B.
C.
D.
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Earlier discussion
4 older comments kept for context.
Ude Favour
Option A should be correct cause of the rule obeyed while naming organic compounds. The rule entails naming in alphabetical order and naming the longest chain as the parent carbon chain.
Justice Chukwuani
The longest chain is considered most when naming hydrocarbons. The answer is 4-ethyloctane.
Hannah
I mean 4- ethyl octane jare
Hannah
The longest chain is the most important rule in naming a compound (rule 1) and hence it’s an octane - which makes 4- propyloctane is the correct answer