Organic Reaction Mechanism
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317387 Reaction mechanism describes

1 Sequential account of each step describing the details of electron movement
2 Energy changes during bond breaking and bond formation
3 Kinetics of the reaction
4 All of these
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317388 Homolytic fission of \(\mathrm{C}-\mathrm{C}\) bond in ethane gives an intermediate in which carbon is

1 \(\mathrm{sp}^{3}\)-hybridised
2 \(\mathrm{sp}^{2}\)-hybridised
3 \({\rm{sp}}\)-hybridised
4 \(\mathrm{sp}^{2} \mathrm{~d}\)-hybridised
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317389 Statement A :
A covalent bond may be cleaved either by heterolytic cleavage or by homolytic cleavage.
Statement B :
Heterolytic cleavage of \(\mathrm{CH}_{3} \mathrm{Br}\) will given \(\mathop {\rm{C}}\limits^{\rm{ + }} {{\rm{H}}_{\rm{3}}}{\mkern 1mu} \) and \({\rm{B}}{{\rm{r}}^ - }\)

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317390 Assertion :
Heterolytic fission involves the breaking of a covalent bond in such a way that both the electrons of the shared pair are carried away by one of the atoms
Reason :
Heterolytic fission occurs readily in polar covalent bonds.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317391 Which statement from following is correct for homolytic fission?

1 In this single electron of shared pair moves to one of bonded atom and other to other atom.
2 In this electron deficient and electron rich species are formed.
3 In this electronegative atom pulls both electrons of shared pair
4 In this carbon free radical formed has \(\mathrm{sp}^{3}\) hybridisation.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317387 Reaction mechanism describes

1 Sequential account of each step describing the details of electron movement
2 Energy changes during bond breaking and bond formation
3 Kinetics of the reaction
4 All of these
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317388 Homolytic fission of \(\mathrm{C}-\mathrm{C}\) bond in ethane gives an intermediate in which carbon is

1 \(\mathrm{sp}^{3}\)-hybridised
2 \(\mathrm{sp}^{2}\)-hybridised
3 \({\rm{sp}}\)-hybridised
4 \(\mathrm{sp}^{2} \mathrm{~d}\)-hybridised
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317389 Statement A :
A covalent bond may be cleaved either by heterolytic cleavage or by homolytic cleavage.
Statement B :
Heterolytic cleavage of \(\mathrm{CH}_{3} \mathrm{Br}\) will given \(\mathop {\rm{C}}\limits^{\rm{ + }} {{\rm{H}}_{\rm{3}}}{\mkern 1mu} \) and \({\rm{B}}{{\rm{r}}^ - }\)

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317390 Assertion :
Heterolytic fission involves the breaking of a covalent bond in such a way that both the electrons of the shared pair are carried away by one of the atoms
Reason :
Heterolytic fission occurs readily in polar covalent bonds.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317391 Which statement from following is correct for homolytic fission?

1 In this single electron of shared pair moves to one of bonded atom and other to other atom.
2 In this electron deficient and electron rich species are formed.
3 In this electronegative atom pulls both electrons of shared pair
4 In this carbon free radical formed has \(\mathrm{sp}^{3}\) hybridisation.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317387 Reaction mechanism describes

1 Sequential account of each step describing the details of electron movement
2 Energy changes during bond breaking and bond formation
3 Kinetics of the reaction
4 All of these
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317388 Homolytic fission of \(\mathrm{C}-\mathrm{C}\) bond in ethane gives an intermediate in which carbon is

1 \(\mathrm{sp}^{3}\)-hybridised
2 \(\mathrm{sp}^{2}\)-hybridised
3 \({\rm{sp}}\)-hybridised
4 \(\mathrm{sp}^{2} \mathrm{~d}\)-hybridised
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317389 Statement A :
A covalent bond may be cleaved either by heterolytic cleavage or by homolytic cleavage.
Statement B :
Heterolytic cleavage of \(\mathrm{CH}_{3} \mathrm{Br}\) will given \(\mathop {\rm{C}}\limits^{\rm{ + }} {{\rm{H}}_{\rm{3}}}{\mkern 1mu} \) and \({\rm{B}}{{\rm{r}}^ - }\)

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317390 Assertion :
Heterolytic fission involves the breaking of a covalent bond in such a way that both the electrons of the shared pair are carried away by one of the atoms
Reason :
Heterolytic fission occurs readily in polar covalent bonds.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317391 Which statement from following is correct for homolytic fission?

1 In this single electron of shared pair moves to one of bonded atom and other to other atom.
2 In this electron deficient and electron rich species are formed.
3 In this electronegative atom pulls both electrons of shared pair
4 In this carbon free radical formed has \(\mathrm{sp}^{3}\) hybridisation.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317387 Reaction mechanism describes

1 Sequential account of each step describing the details of electron movement
2 Energy changes during bond breaking and bond formation
3 Kinetics of the reaction
4 All of these
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317388 Homolytic fission of \(\mathrm{C}-\mathrm{C}\) bond in ethane gives an intermediate in which carbon is

1 \(\mathrm{sp}^{3}\)-hybridised
2 \(\mathrm{sp}^{2}\)-hybridised
3 \({\rm{sp}}\)-hybridised
4 \(\mathrm{sp}^{2} \mathrm{~d}\)-hybridised
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317389 Statement A :
A covalent bond may be cleaved either by heterolytic cleavage or by homolytic cleavage.
Statement B :
Heterolytic cleavage of \(\mathrm{CH}_{3} \mathrm{Br}\) will given \(\mathop {\rm{C}}\limits^{\rm{ + }} {{\rm{H}}_{\rm{3}}}{\mkern 1mu} \) and \({\rm{B}}{{\rm{r}}^ - }\)

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317390 Assertion :
Heterolytic fission involves the breaking of a covalent bond in such a way that both the electrons of the shared pair are carried away by one of the atoms
Reason :
Heterolytic fission occurs readily in polar covalent bonds.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317391 Which statement from following is correct for homolytic fission?

1 In this single electron of shared pair moves to one of bonded atom and other to other atom.
2 In this electron deficient and electron rich species are formed.
3 In this electronegative atom pulls both electrons of shared pair
4 In this carbon free radical formed has \(\mathrm{sp}^{3}\) hybridisation.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317387 Reaction mechanism describes

1 Sequential account of each step describing the details of electron movement
2 Energy changes during bond breaking and bond formation
3 Kinetics of the reaction
4 All of these
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317388 Homolytic fission of \(\mathrm{C}-\mathrm{C}\) bond in ethane gives an intermediate in which carbon is

1 \(\mathrm{sp}^{3}\)-hybridised
2 \(\mathrm{sp}^{2}\)-hybridised
3 \({\rm{sp}}\)-hybridised
4 \(\mathrm{sp}^{2} \mathrm{~d}\)-hybridised
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317389 Statement A :
A covalent bond may be cleaved either by heterolytic cleavage or by homolytic cleavage.
Statement B :
Heterolytic cleavage of \(\mathrm{CH}_{3} \mathrm{Br}\) will given \(\mathop {\rm{C}}\limits^{\rm{ + }} {{\rm{H}}_{\rm{3}}}{\mkern 1mu} \) and \({\rm{B}}{{\rm{r}}^ - }\)

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317390 Assertion :
Heterolytic fission involves the breaking of a covalent bond in such a way that both the electrons of the shared pair are carried away by one of the atoms
Reason :
Heterolytic fission occurs readily in polar covalent bonds.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317391 Which statement from following is correct for homolytic fission?

1 In this single electron of shared pair moves to one of bonded atom and other to other atom.
2 In this electron deficient and electron rich species are formed.
3 In this electronegative atom pulls both electrons of shared pair
4 In this carbon free radical formed has \(\mathrm{sp}^{3}\) hybridisation.