A. Paraffins
B. Olefins
C. Naphthenes
D. None of these
Related Mcqs:
- ______________ converts n-paraffins to i-paraffins ?
A. Alkylation
B. Polymerisation
C. Isomerisation
D. None of these - Paraffins are desirable in lubricating oil, as it has got high_____________________?
A. Viscosity
B. Viscosity index
C. Smoke point
D. Pour point - Catalyst used in isomerisation process is __________________ ?
A. H2SO4
B. H3PO4
C. HF
D. AlCl3 - Octane number (unleaded) of gasoline produced by isomerisation of butane may be about __________________?
A. 45
B. 55
C. 70
D. 90 - Catalyst used in the isomerisation is_______________________?
A. Aluminium chloride
B. Alumina
C. Nickel
D. Phosphoric acid - Hydrocracking employs ___________________?
A. High pressure & temperature
B. Low pressure & temperature
C. High pressure and low temperature
D. High temperature and low pressure - Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octane is chemically known as ___________________?
A. α-methyl naphthalene
B. 2-2-4 tri methyl pentane
C. 1, 3 butadiene
D. Tetra methyl ethylene - Products drawn from the top to bottom of the crude oil distillation column has progressively increasing ___________________?
A. Boiling points
B. Molecular weight
C. C/H ratio
D. All A., B. and C. - Naphthenic acid is represented by ___________________?
A. CnH2n+2O2
B. CnH2n-2O2
C. CnH2n+2O2 (n ≥ 6)
D. CnH2n+6O2 (n ≤ 6) - Stabilisation of gasoline (petrol) means ___________________?
A. Removal of dissolved gases from it
B. Increasing its oxidation stability
C. Improving its lead susceptibility
D. Increasing its vapour pressure
