00. Properties of Alkyl Halides
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HALOALKANES AND HALOARENES

90857 The correct sequence of bond enthalpy of ' $C$ $\mathrm{X}^{\prime}$ bond is

1 $\mathrm{CH}_{3}-\mathrm{Cl}>\mathrm{CH}_{3}-\mathrm{F}>\mathrm{CH}_{3}-\mathrm{Br}>\mathrm{CH}_{3}-\mathrm{I}$
2 $\mathrm{CH}_{3}-\mathrm{F}<\mathrm{CH}_{3}-\mathrm{Cl}<\mathrm{CH}_{3}-\mathrm{Br}>\mathrm{CH}_{3}-\mathrm{I}$
3 $\mathrm{CH}_{3}-\mathrm{F}>\mathrm{CH}_{3}-\mathrm{Cl}>\mathrm{CH}_{3}-\mathrm{Br}>\mathrm{CH}_{3}-\mathrm{I}$
4 $\mathrm{CH}_{3}-\mathrm{F}<\mathrm{CH}_{3}-\mathrm{Cl}>\mathrm{CH}_{3}-\mathrm{Br}>\mathrm{CH}_{3}-\mathrm{I}$
**[NEET 2021]**
HALOALKANES AND HALOARENES

90936 Compound ' $A$ ' on treatment with zinc forms ethane, 'A' also reacts with alc. $\mathrm{KOH}$ to give vinyl bromide.
The compound ' $\mathrm{A}$ ' is

1 1 -bromoethene
2 1,1-dibromoethene
3 1,2-dibromoethene
4 1,2-dibromoethene
**[AMU-2006]**
HALOALKANES AND HALOARENES

90832 This question contains statement $-\mathrm{I}$ : and statement-II, of the four choices given after the statements. Choose the one that best describes the two statements.
Statement- I : Aromatic acids do not undergo Friedel-Crafts reaction.
Statement- II : $-\mathrm{COOH}$ is m-directing group.

1 Statement-I is false, Statement-II is true
2 Statement-I is true, Statement-II is true, Statement-II is correct explanation of statement - I
3 Statement-I is true, Statement-II is true, Statement-II is not a correct explanation of statement - I
4 Statement - I is true, Statement $-\mathrm{II}$ is false
**[TS EAMCETCG PET-22.05.2022]**
HALOALKANES AND HALOARENES

90834 In Friedel-Crafts alkylation of aniline, one gets

1 Alkylated product with ortho and para substitution.
2 Secondary amine after acidic treatment.
3 An amide product.
4 Positively charged nitrogen at benzene ring.
Shift-II]**
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HALOALKANES AND HALOARENES

90857 The correct sequence of bond enthalpy of ' $C$ $\mathrm{X}^{\prime}$ bond is

1 $\mathrm{CH}_{3}-\mathrm{Cl}>\mathrm{CH}_{3}-\mathrm{F}>\mathrm{CH}_{3}-\mathrm{Br}>\mathrm{CH}_{3}-\mathrm{I}$
2 $\mathrm{CH}_{3}-\mathrm{F}<\mathrm{CH}_{3}-\mathrm{Cl}<\mathrm{CH}_{3}-\mathrm{Br}>\mathrm{CH}_{3}-\mathrm{I}$
3 $\mathrm{CH}_{3}-\mathrm{F}>\mathrm{CH}_{3}-\mathrm{Cl}>\mathrm{CH}_{3}-\mathrm{Br}>\mathrm{CH}_{3}-\mathrm{I}$
4 $\mathrm{CH}_{3}-\mathrm{F}<\mathrm{CH}_{3}-\mathrm{Cl}>\mathrm{CH}_{3}-\mathrm{Br}>\mathrm{CH}_{3}-\mathrm{I}$
**[NEET 2021]**
HALOALKANES AND HALOARENES

90936 Compound ' $A$ ' on treatment with zinc forms ethane, 'A' also reacts with alc. $\mathrm{KOH}$ to give vinyl bromide.
The compound ' $\mathrm{A}$ ' is

1 1 -bromoethene
2 1,1-dibromoethene
3 1,2-dibromoethene
4 1,2-dibromoethene
**[AMU-2006]**
HALOALKANES AND HALOARENES

90832 This question contains statement $-\mathrm{I}$ : and statement-II, of the four choices given after the statements. Choose the one that best describes the two statements.
Statement- I : Aromatic acids do not undergo Friedel-Crafts reaction.
Statement- II : $-\mathrm{COOH}$ is m-directing group.

1 Statement-I is false, Statement-II is true
2 Statement-I is true, Statement-II is true, Statement-II is correct explanation of statement - I
3 Statement-I is true, Statement-II is true, Statement-II is not a correct explanation of statement - I
4 Statement - I is true, Statement $-\mathrm{II}$ is false
**[TS EAMCETCG PET-22.05.2022]**
HALOALKANES AND HALOARENES

90834 In Friedel-Crafts alkylation of aniline, one gets

1 Alkylated product with ortho and para substitution.
2 Secondary amine after acidic treatment.
3 An amide product.
4 Positively charged nitrogen at benzene ring.
Shift-II]**
NEET DIGITAL LIBRARY
HALOALKANES AND HALOARENES

90857 The correct sequence of bond enthalpy of ' $C$ $\mathrm{X}^{\prime}$ bond is

1 $\mathrm{CH}_{3}-\mathrm{Cl}>\mathrm{CH}_{3}-\mathrm{F}>\mathrm{CH}_{3}-\mathrm{Br}>\mathrm{CH}_{3}-\mathrm{I}$
2 $\mathrm{CH}_{3}-\mathrm{F}<\mathrm{CH}_{3}-\mathrm{Cl}<\mathrm{CH}_{3}-\mathrm{Br}>\mathrm{CH}_{3}-\mathrm{I}$
3 $\mathrm{CH}_{3}-\mathrm{F}>\mathrm{CH}_{3}-\mathrm{Cl}>\mathrm{CH}_{3}-\mathrm{Br}>\mathrm{CH}_{3}-\mathrm{I}$
4 $\mathrm{CH}_{3}-\mathrm{F}<\mathrm{CH}_{3}-\mathrm{Cl}>\mathrm{CH}_{3}-\mathrm{Br}>\mathrm{CH}_{3}-\mathrm{I}$
**[NEET 2021]**
HALOALKANES AND HALOARENES

90936 Compound ' $A$ ' on treatment with zinc forms ethane, 'A' also reacts with alc. $\mathrm{KOH}$ to give vinyl bromide.
The compound ' $\mathrm{A}$ ' is

1 1 -bromoethene
2 1,1-dibromoethene
3 1,2-dibromoethene
4 1,2-dibromoethene
**[AMU-2006]**
HALOALKANES AND HALOARENES

90832 This question contains statement $-\mathrm{I}$ : and statement-II, of the four choices given after the statements. Choose the one that best describes the two statements.
Statement- I : Aromatic acids do not undergo Friedel-Crafts reaction.
Statement- II : $-\mathrm{COOH}$ is m-directing group.

1 Statement-I is false, Statement-II is true
2 Statement-I is true, Statement-II is true, Statement-II is correct explanation of statement - I
3 Statement-I is true, Statement-II is true, Statement-II is not a correct explanation of statement - I
4 Statement - I is true, Statement $-\mathrm{II}$ is false
**[TS EAMCETCG PET-22.05.2022]**
HALOALKANES AND HALOARENES

90834 In Friedel-Crafts alkylation of aniline, one gets

1 Alkylated product with ortho and para substitution.
2 Secondary amine after acidic treatment.
3 An amide product.
4 Positively charged nitrogen at benzene ring.
Shift-II]**
Join With Us for More Updates
HALOALKANES AND HALOARENES

90857 The correct sequence of bond enthalpy of ' $C$ $\mathrm{X}^{\prime}$ bond is

1 $\mathrm{CH}_{3}-\mathrm{Cl}>\mathrm{CH}_{3}-\mathrm{F}>\mathrm{CH}_{3}-\mathrm{Br}>\mathrm{CH}_{3}-\mathrm{I}$
2 $\mathrm{CH}_{3}-\mathrm{F}<\mathrm{CH}_{3}-\mathrm{Cl}<\mathrm{CH}_{3}-\mathrm{Br}>\mathrm{CH}_{3}-\mathrm{I}$
3 $\mathrm{CH}_{3}-\mathrm{F}>\mathrm{CH}_{3}-\mathrm{Cl}>\mathrm{CH}_{3}-\mathrm{Br}>\mathrm{CH}_{3}-\mathrm{I}$
4 $\mathrm{CH}_{3}-\mathrm{F}<\mathrm{CH}_{3}-\mathrm{Cl}>\mathrm{CH}_{3}-\mathrm{Br}>\mathrm{CH}_{3}-\mathrm{I}$
**[NEET 2021]**
HALOALKANES AND HALOARENES

90936 Compound ' $A$ ' on treatment with zinc forms ethane, 'A' also reacts with alc. $\mathrm{KOH}$ to give vinyl bromide.
The compound ' $\mathrm{A}$ ' is

1 1 -bromoethene
2 1,1-dibromoethene
3 1,2-dibromoethene
4 1,2-dibromoethene
**[AMU-2006]**
HALOALKANES AND HALOARENES

90832 This question contains statement $-\mathrm{I}$ : and statement-II, of the four choices given after the statements. Choose the one that best describes the two statements.
Statement- I : Aromatic acids do not undergo Friedel-Crafts reaction.
Statement- II : $-\mathrm{COOH}$ is m-directing group.

1 Statement-I is false, Statement-II is true
2 Statement-I is true, Statement-II is true, Statement-II is correct explanation of statement - I
3 Statement-I is true, Statement-II is true, Statement-II is not a correct explanation of statement - I
4 Statement - I is true, Statement $-\mathrm{II}$ is false
**[TS EAMCETCG PET-22.05.2022]**
HALOALKANES AND HALOARENES

90834 In Friedel-Crafts alkylation of aniline, one gets

1 Alkylated product with ortho and para substitution.
2 Secondary amine after acidic treatment.
3 An amide product.
4 Positively charged nitrogen at benzene ring.
Shift-II]**
For More Updates join with Us