230478
The alkene that will give the same product with $H B r$ in the absence as well as in the presence of peroxide is
1 2-butene
2 1-butene
3 propene
4 1-hexene
5 2-methylpropene
Explanation:
: This reaction is an example of markwnikoff rule. This reaction is an example of satyzeff rule.
Kerala-CEE-2010
Hydrocarbons
230483
An alkene having the molecular formula $\mathrm{C}_9 \mathrm{H}_{18}$ on ozonolysis gives 2, 2-dimethyl propanal and 2-butanone. The alkene is :
1 2, 2, 2-trimethyl-3-hexene
2 2, 2, 6-trimethyl-3-hexene
3 2, 3,4-trimethyl-2-hexene
4 2, 2, 4-trimethyl-3-hexene
5 2, 2-dimethyl-1-3 heptene
Explanation:
: The alkene is 2,2,4-trimethyl 3-hexene. On ozonolysis of this alkene gives 2,2,-dimethyl propanol and 2-butanone. 2,2 ,dimethyl propanal 2-butanone
Kerala-CEE-2005 VITEEE-2019
Hydrocarbons
230485
Identify the correct statement from below, concerning the structure of $\mathrm{CH}_2=\mathbf{C}=\mathbf{C H}_2$ :
1 The molecule is planer
2 One of the three carbon atoms is in an-sp ${ }^3$ hybridized state
3 The molecule is non-planar with the two $\mathrm{CH}_2$ groups being in planes perpendicular to each other
4 All the carbon atoms are sp-hybridized
5 The molecule is bent with the $-\mathrm{C}-\mathrm{C}-\mathrm{C}$ - angle being 120 degrees.
Explanation:
: The structure is given as - The molecule is a non-planar with the two $-\mathrm{CH}_2$ groups being in planes perpendicular to each other
Kerala-CEE-2004
Hydrocarbons
230486
When 3-phenylpropene reacts with $\mathrm{HBr}$ in the presence of peroxide, the major product formed is
1 2-bromo 1-phenylpropane
2 1,2-dibromo 3-phenylpropane
3 3-(o-bromophenyl) propene
4 1-bromo 3-phenylpropane
5 3 (p-bromophenyl) propene
Explanation:
: When 3-phenypropene reacts with $\mathrm{HBr}$ in the presence of peroxide then reaction is known as Antimarkonikoff or peroxide effect.
Kerala-CEE-2011
Hydrocarbons
230491
The neopentyl halide in ethanol yields alkenes by $E 1$ mechanism due to
1 low concentration of solvent
2 absence of base
3 it is a primary halide
4 steric factor which prevents E2 mechanism
5 salvation effect
Explanation:
: The neopentyl halide in ethanol yields alkenes by $E_1$ mechanism due to steric factor which prevent $E_2$ Mechanism.
230478
The alkene that will give the same product with $H B r$ in the absence as well as in the presence of peroxide is
1 2-butene
2 1-butene
3 propene
4 1-hexene
5 2-methylpropene
Explanation:
: This reaction is an example of markwnikoff rule. This reaction is an example of satyzeff rule.
Kerala-CEE-2010
Hydrocarbons
230483
An alkene having the molecular formula $\mathrm{C}_9 \mathrm{H}_{18}$ on ozonolysis gives 2, 2-dimethyl propanal and 2-butanone. The alkene is :
1 2, 2, 2-trimethyl-3-hexene
2 2, 2, 6-trimethyl-3-hexene
3 2, 3,4-trimethyl-2-hexene
4 2, 2, 4-trimethyl-3-hexene
5 2, 2-dimethyl-1-3 heptene
Explanation:
: The alkene is 2,2,4-trimethyl 3-hexene. On ozonolysis of this alkene gives 2,2,-dimethyl propanol and 2-butanone. 2,2 ,dimethyl propanal 2-butanone
Kerala-CEE-2005 VITEEE-2019
Hydrocarbons
230485
Identify the correct statement from below, concerning the structure of $\mathrm{CH}_2=\mathbf{C}=\mathbf{C H}_2$ :
1 The molecule is planer
2 One of the three carbon atoms is in an-sp ${ }^3$ hybridized state
3 The molecule is non-planar with the two $\mathrm{CH}_2$ groups being in planes perpendicular to each other
4 All the carbon atoms are sp-hybridized
5 The molecule is bent with the $-\mathrm{C}-\mathrm{C}-\mathrm{C}$ - angle being 120 degrees.
Explanation:
: The structure is given as - The molecule is a non-planar with the two $-\mathrm{CH}_2$ groups being in planes perpendicular to each other
Kerala-CEE-2004
Hydrocarbons
230486
When 3-phenylpropene reacts with $\mathrm{HBr}$ in the presence of peroxide, the major product formed is
1 2-bromo 1-phenylpropane
2 1,2-dibromo 3-phenylpropane
3 3-(o-bromophenyl) propene
4 1-bromo 3-phenylpropane
5 3 (p-bromophenyl) propene
Explanation:
: When 3-phenypropene reacts with $\mathrm{HBr}$ in the presence of peroxide then reaction is known as Antimarkonikoff or peroxide effect.
Kerala-CEE-2011
Hydrocarbons
230491
The neopentyl halide in ethanol yields alkenes by $E 1$ mechanism due to
1 low concentration of solvent
2 absence of base
3 it is a primary halide
4 steric factor which prevents E2 mechanism
5 salvation effect
Explanation:
: The neopentyl halide in ethanol yields alkenes by $E_1$ mechanism due to steric factor which prevent $E_2$ Mechanism.
230478
The alkene that will give the same product with $H B r$ in the absence as well as in the presence of peroxide is
1 2-butene
2 1-butene
3 propene
4 1-hexene
5 2-methylpropene
Explanation:
: This reaction is an example of markwnikoff rule. This reaction is an example of satyzeff rule.
Kerala-CEE-2010
Hydrocarbons
230483
An alkene having the molecular formula $\mathrm{C}_9 \mathrm{H}_{18}$ on ozonolysis gives 2, 2-dimethyl propanal and 2-butanone. The alkene is :
1 2, 2, 2-trimethyl-3-hexene
2 2, 2, 6-trimethyl-3-hexene
3 2, 3,4-trimethyl-2-hexene
4 2, 2, 4-trimethyl-3-hexene
5 2, 2-dimethyl-1-3 heptene
Explanation:
: The alkene is 2,2,4-trimethyl 3-hexene. On ozonolysis of this alkene gives 2,2,-dimethyl propanol and 2-butanone. 2,2 ,dimethyl propanal 2-butanone
Kerala-CEE-2005 VITEEE-2019
Hydrocarbons
230485
Identify the correct statement from below, concerning the structure of $\mathrm{CH}_2=\mathbf{C}=\mathbf{C H}_2$ :
1 The molecule is planer
2 One of the three carbon atoms is in an-sp ${ }^3$ hybridized state
3 The molecule is non-planar with the two $\mathrm{CH}_2$ groups being in planes perpendicular to each other
4 All the carbon atoms are sp-hybridized
5 The molecule is bent with the $-\mathrm{C}-\mathrm{C}-\mathrm{C}$ - angle being 120 degrees.
Explanation:
: The structure is given as - The molecule is a non-planar with the two $-\mathrm{CH}_2$ groups being in planes perpendicular to each other
Kerala-CEE-2004
Hydrocarbons
230486
When 3-phenylpropene reacts with $\mathrm{HBr}$ in the presence of peroxide, the major product formed is
1 2-bromo 1-phenylpropane
2 1,2-dibromo 3-phenylpropane
3 3-(o-bromophenyl) propene
4 1-bromo 3-phenylpropane
5 3 (p-bromophenyl) propene
Explanation:
: When 3-phenypropene reacts with $\mathrm{HBr}$ in the presence of peroxide then reaction is known as Antimarkonikoff or peroxide effect.
Kerala-CEE-2011
Hydrocarbons
230491
The neopentyl halide in ethanol yields alkenes by $E 1$ mechanism due to
1 low concentration of solvent
2 absence of base
3 it is a primary halide
4 steric factor which prevents E2 mechanism
5 salvation effect
Explanation:
: The neopentyl halide in ethanol yields alkenes by $E_1$ mechanism due to steric factor which prevent $E_2$ Mechanism.
230478
The alkene that will give the same product with $H B r$ in the absence as well as in the presence of peroxide is
1 2-butene
2 1-butene
3 propene
4 1-hexene
5 2-methylpropene
Explanation:
: This reaction is an example of markwnikoff rule. This reaction is an example of satyzeff rule.
Kerala-CEE-2010
Hydrocarbons
230483
An alkene having the molecular formula $\mathrm{C}_9 \mathrm{H}_{18}$ on ozonolysis gives 2, 2-dimethyl propanal and 2-butanone. The alkene is :
1 2, 2, 2-trimethyl-3-hexene
2 2, 2, 6-trimethyl-3-hexene
3 2, 3,4-trimethyl-2-hexene
4 2, 2, 4-trimethyl-3-hexene
5 2, 2-dimethyl-1-3 heptene
Explanation:
: The alkene is 2,2,4-trimethyl 3-hexene. On ozonolysis of this alkene gives 2,2,-dimethyl propanol and 2-butanone. 2,2 ,dimethyl propanal 2-butanone
Kerala-CEE-2005 VITEEE-2019
Hydrocarbons
230485
Identify the correct statement from below, concerning the structure of $\mathrm{CH}_2=\mathbf{C}=\mathbf{C H}_2$ :
1 The molecule is planer
2 One of the three carbon atoms is in an-sp ${ }^3$ hybridized state
3 The molecule is non-planar with the two $\mathrm{CH}_2$ groups being in planes perpendicular to each other
4 All the carbon atoms are sp-hybridized
5 The molecule is bent with the $-\mathrm{C}-\mathrm{C}-\mathrm{C}$ - angle being 120 degrees.
Explanation:
: The structure is given as - The molecule is a non-planar with the two $-\mathrm{CH}_2$ groups being in planes perpendicular to each other
Kerala-CEE-2004
Hydrocarbons
230486
When 3-phenylpropene reacts with $\mathrm{HBr}$ in the presence of peroxide, the major product formed is
1 2-bromo 1-phenylpropane
2 1,2-dibromo 3-phenylpropane
3 3-(o-bromophenyl) propene
4 1-bromo 3-phenylpropane
5 3 (p-bromophenyl) propene
Explanation:
: When 3-phenypropene reacts with $\mathrm{HBr}$ in the presence of peroxide then reaction is known as Antimarkonikoff or peroxide effect.
Kerala-CEE-2011
Hydrocarbons
230491
The neopentyl halide in ethanol yields alkenes by $E 1$ mechanism due to
1 low concentration of solvent
2 absence of base
3 it is a primary halide
4 steric factor which prevents E2 mechanism
5 salvation effect
Explanation:
: The neopentyl halide in ethanol yields alkenes by $E_1$ mechanism due to steric factor which prevent $E_2$ Mechanism.
230478
The alkene that will give the same product with $H B r$ in the absence as well as in the presence of peroxide is
1 2-butene
2 1-butene
3 propene
4 1-hexene
5 2-methylpropene
Explanation:
: This reaction is an example of markwnikoff rule. This reaction is an example of satyzeff rule.
Kerala-CEE-2010
Hydrocarbons
230483
An alkene having the molecular formula $\mathrm{C}_9 \mathrm{H}_{18}$ on ozonolysis gives 2, 2-dimethyl propanal and 2-butanone. The alkene is :
1 2, 2, 2-trimethyl-3-hexene
2 2, 2, 6-trimethyl-3-hexene
3 2, 3,4-trimethyl-2-hexene
4 2, 2, 4-trimethyl-3-hexene
5 2, 2-dimethyl-1-3 heptene
Explanation:
: The alkene is 2,2,4-trimethyl 3-hexene. On ozonolysis of this alkene gives 2,2,-dimethyl propanol and 2-butanone. 2,2 ,dimethyl propanal 2-butanone
Kerala-CEE-2005 VITEEE-2019
Hydrocarbons
230485
Identify the correct statement from below, concerning the structure of $\mathrm{CH}_2=\mathbf{C}=\mathbf{C H}_2$ :
1 The molecule is planer
2 One of the three carbon atoms is in an-sp ${ }^3$ hybridized state
3 The molecule is non-planar with the two $\mathrm{CH}_2$ groups being in planes perpendicular to each other
4 All the carbon atoms are sp-hybridized
5 The molecule is bent with the $-\mathrm{C}-\mathrm{C}-\mathrm{C}$ - angle being 120 degrees.
Explanation:
: The structure is given as - The molecule is a non-planar with the two $-\mathrm{CH}_2$ groups being in planes perpendicular to each other
Kerala-CEE-2004
Hydrocarbons
230486
When 3-phenylpropene reacts with $\mathrm{HBr}$ in the presence of peroxide, the major product formed is
1 2-bromo 1-phenylpropane
2 1,2-dibromo 3-phenylpropane
3 3-(o-bromophenyl) propene
4 1-bromo 3-phenylpropane
5 3 (p-bromophenyl) propene
Explanation:
: When 3-phenypropene reacts with $\mathrm{HBr}$ in the presence of peroxide then reaction is known as Antimarkonikoff or peroxide effect.
Kerala-CEE-2011
Hydrocarbons
230491
The neopentyl halide in ethanol yields alkenes by $E 1$ mechanism due to
1 low concentration of solvent
2 absence of base
3 it is a primary halide
4 steric factor which prevents E2 mechanism
5 salvation effect
Explanation:
: The neopentyl halide in ethanol yields alkenes by $E_1$ mechanism due to steric factor which prevent $E_2$ Mechanism.
