Which is not heterocyclic compound _______________?
A. Furan
B. Thiophene
C. Aniline
D. Pyridine
Organic Chemistry
the fractional distillation of petroleum produces gasoline up to ________________?
the fractional distillation of petroleum produces gasoline up to ________________?
A. 10%
B. 15%
C. 20%
D. 30%
In cyano group the carbon atom shows which kind of hybridization___________________?
In cyano group the carbon atom shows which kind of hybridization___________________?
A. sp2
B. sp
C. sp3
D. none of the above
In sp3 hybridization the expected geometry of molecules will be__________________?
In sp3 hybridization the expected geometry of molecules will be__________________?
A. square planar
B. trigonal pyramidal
C. tetrahedral
D. linear
2-propanol and 1-propanol show the isomerism________________?
2-propanol and 1-propanol show the isomerism________________?
A. metamerism
B. functional group isomerism
C. geometric isomerism
D. position isomerism
A single atom or group of atoms which gives characteristic properties to a compound is called_________________?
A single atom or group of atoms which gives characteristic properties to a compound is called_________________?
A. radical
B. hydrocarbon
C. functional group
D. ion
Which one of the following compounds shows intense knocking ?
Which one of the following compounds shows intense knocking ?
A. n-pentane
B. iso-heptane
C. iso-octane
D. n-heptane
At low temperature and pressure cracking can be done in presence of catalyst________________?
At low temperature and pressure cracking can be done in presence of catalyst________________?
A. Al2O3
B. Fe2O3
C. Al2O3 and SiO2
D. Fe2O3 and SiO2
Crude oil is blackish coloured liquid produced after the decay of organic matter present between_________________?
Crude oil is blackish coloured liquid produced after the decay of organic matter present between_________________?
A. earth layer
B. mountains
C. sedimentary rocks
D. rocks
Coal is produced after a long time decay of_________________?
Coal is produced after a long time decay of_________________?
A. animals
B. fossils
C. wood
D. all of the above