The octane number has zero value for
N-Heptane
The explanation for the correct option
(B) n-heptane
Octane number
So, the octane number has zero value for n-heptane.
The explanation for the incorrect option
The octane number has zero value for n-heptane. Hence, options (A), (C), and (D) are incorrect.
Hence, option (B) is correct. The octane number has zero value for n-heptane.