A double bond consists of __________________?
A. Two sigma bonds
B. Two Pi bonds
C. One sigma and one Pi bonds
D. One sigma and two Pi bonds
Chemistry MCQs
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
Compounds having same molecular formula but differ in structural formula are called __________________?
A. polymer
B. monomer
C. isomer
D. allotropes
Organic compounds are soluble in ____________________?
A. polar solvent
B. non-polar solvent
C. alkalies
D. water
Methane is used in power generation in chemical industries being a__________________?
A. natural gas
B. good caloric value
C. cheaper
D. All
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
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
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
Isomerism which is present only in alkene is__________________?
A. structural isomerism
B. metamerism
C. cis-trans isomerism
D. both b and c
Compound containing benzene ring in their structure are __________________?
A. aliphatic
B. aromatic
C. carboxylic acid
D. carbohydrates
