Isomerism in Organic Compounds
Chemistry ⇒ Carbon and Organic Chemistry
Isomerism in Organic Compounds starts at 11 and continues till grade 12.
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Define functional group isomerism and give an example.
Describe the conditions necessary for a compound to exhibit geometrical isomerism.
Describe the difference between enantiomers and diastereomers.
Describe the difference between structural isomerism and stereoisomerism.
Explain the difference between chain isomerism and position isomerism.
Explain why 1,2-dichloroethene shows geometrical isomerism but 1,1-dichloroethene does not.
Explain why 2-butene shows geometrical isomerism but 1-butene does not.
Explain why 2-chlorobutane is optically active while 1-chlorobutane is not.
Which of the following compounds can exhibit geometrical (cis-trans) isomerism?
(1) 2-butene
(2) 1-butene
(3) 2-methylpropene
(4) Propene
Which of the following compounds will show optical activity?
(1) 2-chloropropane
(2) 2-bromobutane
(3) 1-chloropropane
(4) 2-methylpropane
Which of the following is a pair of metamers?
(1) Diethyl ether and methyl propyl ether
(2) Ethanol and dimethyl ether
(3) Propanal and acetone
(4) But-1-ene and but-2-ene
Which of the following is NOT a pair of chain isomers?
(1) n-butane and isobutane
(2) n-pentane and neopentane
(3) 1-propanol and 2-propanol
(4) n-hexane and 2-methylpentane
Fill in the blank: Compounds with the same molecular formula but different connectivity of atoms are called __________ isomers.
Fill in the blank: Enantiomers are a pair of optical isomers that are __________ images of each other.
Fill in the blank: The isomerism in which isomers differ in the arrangement of carbon atoms in the main chain is called __________ isomerism.
Fill in the blank: The isomerism in which isomers differ in the position of the functional group is called __________ isomerism.
True or False: All compounds with a chiral center are optically active.
True or False: Chain isomerism is a type of structural isomerism.
True or False: Enantiomers have identical physical and chemical properties except for their effect on plane-polarized light and reactions in chiral environments.
True or False: Meso compounds are optically active.
