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Questions and Answers
What is the classical example of structural isomerism mentioned in the text?
What is the classical example of structural isomerism mentioned in the text?
- Cyanate ion O=C=N− and fulminate ion C−≡N+−O− (correct)
- Ammonium cyanate [NH4]+[O=C=N]− and urea (H2N−)2C=O
- Ammonium acetate [NH4]+[H3C−CO2]− and methylammonium formate [H3C−NH3]+[HCO2]−
- Methyl propyl ether H3C−(CH2)2−O−CH3 and diethyl ether (H3CCH2−)2O
Which term was formerly used for the same concept as structural isomer?
Which term was formerly used for the same concept as structural isomer?
- Polyatomic
- Metamer (correct)
- Classical
- Stereoisomer
What distinguishes stereoisomerism from structural isomerism?
What distinguishes stereoisomerism from structural isomerism?
- Number of atoms of each element
- Relative spatial arrangement of atoms (correct)
- Type of bonding between atoms
- Total charge of polyatomic ions
Which type of isomerism concerns the most radical differences in atomic bonding and arrangement?
Which type of isomerism concerns the most radical differences in atomic bonding and arrangement?
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What do enantiomers represent in terms of spatial arrangement?
What do enantiomers represent in terms of spatial arrangement?
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Study Notes
Types of Isomerism
- Butane and isobutane are classical examples of structural isomerism.
- The term 'metamerism' was formerly used to describe structural isomerism.
Stereoisomerism vs Structural Isomerism
- Stereoisomerism differs from structural isomerism in that it involves a difference in spatial arrangement of atoms, while maintaining the same bond sequence.
- Structural isomerism, on the other hand, involves a difference in bond sequence, leading to distinct molecules.
Types of Isomerism
- Structural isomerism concerns the most radical differences in atomic bonding and arrangement.
Enantiomers
- Enantiomers represent non-superimposable mirror images of each other in terms of spatial arrangement.
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Description
Test your knowledge of structural isomers in chemistry with this quiz. Identify compounds with the same molecular formula but distinct structural arrangements of atoms and bonds.
