Configuration isomerism is shown by the compounds in which groups or atoms are arranged with rigid part like double bonded atoms, cycle asymmetric centre etc. Geometrical isomerism is possible in case of double bonded atoms as well as in cycle. The phytical. Properties of geometrical isomer differs which is observed fact.
Which of the following is true for 2 - butene ?
Configuration isomerism is shown by the compounds in which groups or atoms are arranged with rigid part like double bonded atoms, cycle asymmetric centre etc. Geometrical isomerism is possible in case of double bonded atoms as well as in cycle. The phytical. Properties of geometrical isomer differs which is observed fact.
Which of the following is true for 2 - butene ?
Which of the following is true for 2 - butene ?
A
cis-form-contain more b.p than trans form
B
trans-form-contain less m.p than cis form
C
cis-form is more stable than trans form
D
refractive index of cis suriu is less than liaus funn
Text Solution
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The correct Answer is:
A
Boling Point `prop mu`, therefore Boling Point of Cis `gt` tran
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Structural isomers have different covalent linkage of atoms. Stereoisomers are compounds that have same sequence of covalent bonds but differ in the relative dispositions of their atoms in space. Geometri cal and optical isomers are the two important types of configurational isomers. The compound with double bonds or ring structure have restricted rotation, so exist in two geometrical forms. The double bonds in larger rings (ring size 10 carbon large) can also cause geometrical isomerism. The optical isomers rotate the plane of plane-polarised light. A sp^(3) -hybridised carbon atom bearing four different types of substituents is called an asymmetric centre or chiral centre. A chiral object or molecule cannot be superimposed on its mirror image. Stereoisomers that are mirror images of each other are called enantiomers. The stereosomers that the pot mirror images of each other are called diastereomers. Diasteremers have different physical properties. A racemic mixture is optically inactive and contains equal amounts of both the enantiomers. Resolution refers to method of separating a racemic mixture. Into two pure enantiomers. A meso compound is an optically inactive stereoisomer, which is achiral due to the presence of an internal plane of symmetry or centre of symmetry within the molecule. The number of chiral centres present in the following compounds is
Structural isomers have different covalent linkage of atoms. Stereoisomers are compounds that have same sequence of covalent bonds but differ in the relative dispositions of their atoms in space. Geometri cal and optical isomers are the two important types of configurational isomers. The compound with double bonds or ring structure have restricted rotation, so exist in two geometrical forms. The double bonds in larger rings (ring size 10 carbon large) can also cause geometrical isomerism. The optical isomers rotate the plane of plane-polarised light. A sp^(3) -hybridised carbon atom bearing four different types of substituents is called an asymmetric centre or chiral centre. A chiral object or molecule cannot be superimposed on its mirror image. Stereoisomers that are mirror images of each other are called enantiomers. The stereosomers that the pot mirror images of each other are called diastereomers. Diasteremers have different physical properties. A racemic mixture is optically inactive and contains equal amounts of both the enantiomers. Resolution refers to method of separating a racemic mixture. Into two pure enantiomers. A meso compound is an optically inactive stereoisomer, which is achiral due to the presence of an internal plane of symmetry or centre of symmetry within the molecule. The following two compounds are
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Configuration isomerism is shown by the compounds in which groups or atoms are arranged with rigid part like double bonded atoms, cycle asymmetric centre etc. Geometrical isomerism is possible in case of double bonded atoms as well as in cycle. The phytical. Properties of geometrical isomer differs which is observed fact. Which of the following is correct?
Configuration isomerism is shown by the compounds in which groups or atoms are arranged with rigid part like double bonded atoms, cycle asymmetric centre etc. Geometrical isomerism is possible in case of double bonded atoms as well as in cycle. The phytical. Properties of geometrical isomer differs which is observed fact. Which of the following is correct?
A
cis-1,4-dimethyl cyclohexane will contains dipole moment value zero
B
trans- 1,3-dimethyl cyclohexane will contain dipole moment value zero
C
trans- 1,3 - dimethyl cyclobutane will contain dipole mament values zero
D
trans - 1,2-dimethyl cyclopropane will contain dipole moment value zero
Geometrical Isomerism Molecules having same molecular formula but differing in the orientation of atoms in a space due to resistricted rotation. Compound which do not exhibit geometric isomerism
Geometrical Isomerism Molecules having same molecular formula but differing in the orientation of atoms in a space due to resistricted rotation. Compound which do not exhibit geometric isomerism
A
ether
B
2-butene
C
3, 4 dimethyl-3-haxcne
D
2-chloru - 3-methyl - 2-pentene
Structural isomers have different covalent linkage of atoms. Stereoisomers are compounds that have same sequence of covalent bonds but differ in the relative dispositions of their atoms in space. Geometrical and optical isomers are the two important types of configurational isomers. The compound with double bonds or ring structure have restricted rotation, so exist in two geometrical forms. The double bonds in larger rings (ring size 10 carbon large) can also cause geometrical isomerism. The optical isomers rotate the plane of plane-polarised light. A sp^3 -hybridised carbon atom bearing four different types of substituents is called an asymmetric centre or chiral centre. A chiral object or molecule cannot be superimposed on its mirror image. Stereoisomers that are mirror images of each other are called enantiomers. The stereosomers that the pot mirror images of each other are called diastereomers. Diasteremers have different physical properties. A racemic mixture is optically inactive and contains equal amounts of both the enantiomers. Resolution refers to method of separating a racemic mixture. Into two pure enantiomers. A meso compound is an optically inactive stereoisomer, which is achiral due to the presence of an internal plane of symmetry or centre of symmetry within the molecule. The pair of showing identical species is
Structural isomers have different covalent linkage of atoms. Stereoisomers are compounds that have same sequence of covalent bonds but differ in the relative dispositions of their atoms in space. Geometrical and optical isomers are the two important types of configurational isomers. The compound with double bonds or ring structure have restricted rotation, so exist in two geometrical forms. The double bonds in larger rings (ring size 10 carbon large) can also cause geometrical isomerism. The optical isomers rotate the plane of plane-polarised light. A sp^3 -hybridised carbon atom bearing four different types of substituents is called an asymmetric centre or chiral centre. A chiral object or molecule cannot be superimposed on its mirror image. Stereoisomers that are mirror images of each other are called enantiomers. The stereosomers that the pot mirror images of each other are called diastereomers. Diasteremers have different physical properties. A racemic mixture is optically inactive and contains equal amounts of both the enantiomers. Resolution refers to method of separating a racemic mixture. Into two pure enantiomers. A meso compound is an optically inactive stereoisomer, which is achiral due to the presence of an internal plane of symmetry or centre of symmetry within the molecule. The pair of showing identical species is
A
B
C
D
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Structural isomers have different covalent linkage of atoms. Stereoisomers are compounds that have same sequence of covalent bonds but differ in the relative dispositions of their atoms in space. Geometri cal and optical isomers are the two important types of configurational isomers. The compound with double bonds or ring structure have restricted rotation, so exist in two geometrical forms. The double bonds in larger rings (ring size 10 carbon large) can also cause geometrical isomerism. The optical isomers rotate the plane of plane-polarised light. A sp^(3) -hybridised carbon atom bearing four different types of substituents is called an asymmetric centre or chiral centre. A chiral object or molecule cannot be superimposed on its mirror image. Stereoisomers that are mirror images of each other are called enantiomers. The stereosomers that the pot mirror images of each other are called diastereomers. Diasteremers have different physical properties. A racemic mixture is optically inactive and contains equal amounts of both the enantiomers. Resolution refers to method of separating a racemic mixture. Into two pure enantiomers. A meso compound is an optically inactive stereoisomer, which is achiral due to the presence of an internal plane of symmetry or centre of symmetry within the molecule. The pair of showing identical species is
Those stereoisomers are called configurational isomers if they differ in spatial arrangement of atom or group and are not interconvertible without cleaving a bond. Geometrical isomer arises due to restricted rotation about a bond or centre. The number of G.I is 2^(n) where n= number of stereoisomers, in some cases the number of G.I is less than 2^(n) in case where either side nomenclature will be possible. Which of the following compounds can show geometrical isomerism.
Compounds having the same molecular formula, same structure with different configuration are called stereoisomers and the phenomenon is called stereoisomerism. The phenomenon is broadly classified with three types called (a) geometrical isomerism (b) optical isomerism and (c) conformational isomerism. Which of the following compounds exhibit both geometrical as well as optical isomerism
Those stereoisomers are called configurational isomers if they differ in spatial arrangement of atom or group and are not interconvertible without cleaving a bond. Geometrical isomer arises due to restricted rotation about a bond or centre. The number of G.I is 2^(n) where n= number of stereoisomers, in some cases the number of G.I is less than 2^(n) in case where either side nomenclature will be possible. Which of the following pairs has correct stability order :
Those stereoisomers are called configurational isomers if they differ in spatial arrangement of atom or group and are not interconvertible without cleaving a bond. Geometrical isomer arises due to restricted rotation about a bond or centre. The number of G.I is 2^n where n= number of stereoisomers, in some cases the number of G.I is less than 2^n in case where either side nomenclature will be possible. The number of G.I. of the compound C_2H_5 - CH = CH - CH = CH - CH = CH - CH_3 is