00. Properties of Alkyl Halides
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HALOALKANES AND HALOARENES

90898 3-methyl-pent-2-ene on reaction with $\mathrm{HBr}$ in presence of peroxide forms an addition product. The number of possible stereoisomers for the product is :

1 $\operatorname{six}$
2 zero
3 two
4 four
**[JEE Main-2017]**
HALOALKANES AND HALOARENES

90896 The correct order of increasing reactivity of the following alkyl halides,
(I) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}(\mathrm{Br}) \mathrm{CH}_{3}$
(II) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Br}$
(III) $\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CClCH}_{2} \mathrm{CH}_{3}$
(IV) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Cl}$
Towards $S_{N} 2$ displacement is

1 I $<$ II $<$ III $<$ IV
2 III $<$ I $<$ IV $<$ II
3 III $<$ I $<$ II $<$ IV
4 II $<$ IV $<$ I $<$ III
5 I $<$ III $<$ II $<$ IV
**[Kerala CEE-2017]**
HALOALKANES AND HALOARENES

90897 Wurtz reaction involves the reduction of alkyl halide with :

1 $\mathrm{Zn} / \mathrm{HCl}$
2 $\mathrm{HI}$
3 $\mathrm{Zn} / \mathrm{Cu}$ Couple
4 $\mathrm{Na}$ in ether
**[Manipal-2017]**
HALOALKANES AND HALOARENES

90914 From the following which pairs give the faster $S_{\mathrm{N}} 2$ reaction?

1 original image
2 original image
3 original image
4 original image
**[BCECE-2015]**
NEET DIGITAL LIBRARY
HALOALKANES AND HALOARENES

90898 3-methyl-pent-2-ene on reaction with $\mathrm{HBr}$ in presence of peroxide forms an addition product. The number of possible stereoisomers for the product is :

1 $\operatorname{six}$
2 zero
3 two
4 four
**[JEE Main-2017]**
HALOALKANES AND HALOARENES

90896 The correct order of increasing reactivity of the following alkyl halides,
(I) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}(\mathrm{Br}) \mathrm{CH}_{3}$
(II) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Br}$
(III) $\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CClCH}_{2} \mathrm{CH}_{3}$
(IV) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Cl}$
Towards $S_{N} 2$ displacement is

1 I $<$ II $<$ III $<$ IV
2 III $<$ I $<$ IV $<$ II
3 III $<$ I $<$ II $<$ IV
4 II $<$ IV $<$ I $<$ III
5 I $<$ III $<$ II $<$ IV
**[Kerala CEE-2017]**
HALOALKANES AND HALOARENES

90897 Wurtz reaction involves the reduction of alkyl halide with :

1 $\mathrm{Zn} / \mathrm{HCl}$
2 $\mathrm{HI}$
3 $\mathrm{Zn} / \mathrm{Cu}$ Couple
4 $\mathrm{Na}$ in ether
**[Manipal-2017]**
HALOALKANES AND HALOARENES

90914 From the following which pairs give the faster $S_{\mathrm{N}} 2$ reaction?

1 original image
2 original image
3 original image
4 original image
**[BCECE-2015]**
Join With Us for More Updates
HALOALKANES AND HALOARENES

90898 3-methyl-pent-2-ene on reaction with $\mathrm{HBr}$ in presence of peroxide forms an addition product. The number of possible stereoisomers for the product is :

1 $\operatorname{six}$
2 zero
3 two
4 four
**[JEE Main-2017]**
HALOALKANES AND HALOARENES

90896 The correct order of increasing reactivity of the following alkyl halides,
(I) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}(\mathrm{Br}) \mathrm{CH}_{3}$
(II) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Br}$
(III) $\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CClCH}_{2} \mathrm{CH}_{3}$
(IV) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Cl}$
Towards $S_{N} 2$ displacement is

1 I $<$ II $<$ III $<$ IV
2 III $<$ I $<$ IV $<$ II
3 III $<$ I $<$ II $<$ IV
4 II $<$ IV $<$ I $<$ III
5 I $<$ III $<$ II $<$ IV
**[Kerala CEE-2017]**
HALOALKANES AND HALOARENES

90897 Wurtz reaction involves the reduction of alkyl halide with :

1 $\mathrm{Zn} / \mathrm{HCl}$
2 $\mathrm{HI}$
3 $\mathrm{Zn} / \mathrm{Cu}$ Couple
4 $\mathrm{Na}$ in ether
**[Manipal-2017]**
HALOALKANES AND HALOARENES

90914 From the following which pairs give the faster $S_{\mathrm{N}} 2$ reaction?

1 original image
2 original image
3 original image
4 original image
**[BCECE-2015]**
For More Updates join with Us
HALOALKANES AND HALOARENES

90898 3-methyl-pent-2-ene on reaction with $\mathrm{HBr}$ in presence of peroxide forms an addition product. The number of possible stereoisomers for the product is :

1 $\operatorname{six}$
2 zero
3 two
4 four
**[JEE Main-2017]**
HALOALKANES AND HALOARENES

90896 The correct order of increasing reactivity of the following alkyl halides,
(I) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}(\mathrm{Br}) \mathrm{CH}_{3}$
(II) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Br}$
(III) $\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CClCH}_{2} \mathrm{CH}_{3}$
(IV) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Cl}$
Towards $S_{N} 2$ displacement is

1 I $<$ II $<$ III $<$ IV
2 III $<$ I $<$ IV $<$ II
3 III $<$ I $<$ II $<$ IV
4 II $<$ IV $<$ I $<$ III
5 I $<$ III $<$ II $<$ IV
**[Kerala CEE-2017]**
HALOALKANES AND HALOARENES

90897 Wurtz reaction involves the reduction of alkyl halide with :

1 $\mathrm{Zn} / \mathrm{HCl}$
2 $\mathrm{HI}$
3 $\mathrm{Zn} / \mathrm{Cu}$ Couple
4 $\mathrm{Na}$ in ether
**[Manipal-2017]**
HALOALKANES AND HALOARENES

90914 From the following which pairs give the faster $S_{\mathrm{N}} 2$ reaction?

1 original image
2 original image
3 original image
4 original image
**[BCECE-2015]**