What is molecular formula of undecane?

What is molecular formula of undecane?
  1. $\mathrm{C}_{11} \mathrm{H}_{24}$
  2. $\mathrm{C}_9 \mathrm{H}_{18}$
  3. $\mathrm{C}_{12} \mathrm{H}_{26}$
  4. $\mathrm{C}_{20} \mathrm{H}_{42}$

Solution

$\mathrm{CH}_3-\left(\mathrm{CH}_2\right)_9-\mathrm{CH}_3$ (undecane)

Asked in: MHT CET 2024 (16 May Shift 1)

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