Isomerism which is present only in alkene is__________________?
(A) structural isomerism
(B) metamerism
(C) cis-trans isomerism
(D) both b and c
Which of the following can be used as anti-knocking agent ?
(A) PbCl2
(B) (C2H5)4 Pb
(C) (C2H5)2 Pb
(D) all of the above
The metallic sound produced by engine due to the pre-ignition of fuel is called _______________?
(A) knocking
(B) reforming
(C) cracking
(D) a and c
The precess in which larger molecule with higher molecular weight breaks down into smaller moleucles with lower molecular weight____________________?
(A) polymerization
(B) pyrolysis
(C) isomerism
(D) no such process occurs
Methane is used in power generation in chemical industries being a__________________?
(A) natural gas
(B) good caloric value
(C) cheaper
(D) All
Organic compounds are soluble in ____________________?
(A) polar solvent
(B) non-polar solvent
(C) alkalies
(D) water
Compounds having same molecular formula but differ in structural formula are called __________________?
(A) polymer
(B) monomer
(C) isomer
(D) allotropes
Chemical properties of first member of homologous series with respect to other members are_________________?
(A) same
(B) different
(C) depends upon number of C atoms
(D) depends upon number of H atoms
First organic compound synthesized in laboratory was _________________?
(A) tartaric acid
(B) ethyl alcohol
(C) methanol
(D) urea
The first organic compound was synthesized in laboratory by_________________?
(A) Wohler
(B) Kolbe
(C) Berzilius
(D) Berthelot