question 11 (1 point) which formula represents an acyclic alkane? c₉h₁₈ c₁₀h₂₀ c₁₂h₂₆ c₁₂h₂₈ c₁₀h₁₈

question 11 (1 point) which formula represents an acyclic alkane? c₉h₁₈ c₁₀h₂₀ c₁₂h₂₆ c₁₂h₂₈ c₁₀h₁₈
Answer
Explanation:
Step1: Recall alkane formula
The general formula for acyclic alkanes is $C_nH_{2n + 2}$.
Step2: Check each option
For $C_9H_{18}$, if $n = 9$, $2n+2=2\times9 + 2=20\neq18$. For $C_{10}H_{20}$, if $n = 10$, $2n + 2=2\times10+2 = 22\neq20$. For $C_{12}H_{26}$, if $n = 12$, $2n+2=2\times12 + 2=26$. For $C_{12}H_{28}$, if $n = 12$, $2n+2=2\times12 + 2=26\neq28$. For $C_{10}H_{18}$, if $n = 10$, $2n+2=2\times10+2 = 22\neq18$.
Answer:
$C_{12}H_{26}$