MCQ
Which of the following has highest octane number
- A$n-$ hexane
- B$n - $ heptane
- C$n-$ pentane
- ✓$2, 2, 4-$ trimethyl pentane
✓
Answer
Correct option: D.
$2, 2, 4-$ trimethyl pentane
d
(d) iso-octane i.e. $2,2,4-$ trimethyl pentane has highest octane number.
(d) iso-octane i.e. $2,2,4-$ trimethyl pentane has highest octane number.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
major product of this reaction is
Isomerism due to rotation round single bond of carbon-carbon is
Choose the correct bond-line formula for
The number of water molecules present in a drop of water (volume $0.0018$ $ml$) at room temperature is
→A neutral atom of an element has a nucleus with nuclear charge 11 times and mass 23 times that of hydrogen. Write the electronic configuration of the element?
Optically active isomer $(A)$ of $(C_5H_9Cl)$ on treatment with one mole of $H_2$ gives an optically inactive compound $(B)$ compound $(A)$ will be
→The energy of one mole of photons of radiation of wavelength $300 nm$ is ...... $kJ \,mol ^{-1}$.
→(Given : $h =6.63 \times 10^{-34} \,Js , N _{ A }=6.02 \times 10^{23} \,mol ^{-1}$, $c =3 \times 10^{8}\, ms ^{-1}$ )
What mass of $AgI$ will dissolve in $1.0\, L$ of its saturated solution ? [Given $: K_{sp}(AgI) = 1.0\times10^{-16} ; (At\, wt.\, Ag = 108; I=127)$
→A $2.0 \,g$ sample containing $MnO _{2}$ is treated with $HCl$ liberating $Cl _{2}$. The $Cl _{2}$ gas is passed into a solution of $KI$ and $60.0\, mL$ of $0.1\, M\, Na _{2} S _{2} O_{3}$ is required to titrate the liberated iodine. The percentage of $MnO _{2}$ in the sample is $.....$ (Nearest integer)
→[Atomic masses (in $u$) $Mn =55 ; Cl =35.5 ; O =16, I =127, Na =23, K =39, S =32]$
The reaction of toluene with chlorine in the presence of light gives