4. Which of the following reactions is NOT a method of preparation of alkylhalide?A. addition of halogens to alkenesB. replacement of the -OH in alcohol by a halideC. dehydrohalogenationof hydrocarbonD. addition of hydrogen halide to alkene5. In SN₂ reaction of alkylhalide(substrate) with NaOH(nucleophile), the rate of the reaction is tripled if theconcentration of:A. Substrate and nucleophile are both doubledB. Nucleophile is decreased by 1/3 and substrate doubledC. Substrate is tripled and nucleophile doubledD. Nucleophile is tripled6. Arrange the following alkylhalide in order of decreasing reactivity in an SN₁ reaction:I. CH3CH(Br)CH₂CH3A. I>II>III>IVII. CH3CH(C1)CH₂CH3 III. CICH₂CH₂CH₂CH3 IV. (CH3)2C(Br)CHCH3D. IV>II>I>IIIB. IV>III>II>I C. IV>I>II>III

Answered: Image /qna-images/answer/965241b0-2471-49df-b509-237463f72669.jpg

4. Which of the following reactions is NOT a method of preparation of alkylhalide? A. addition of halogens to alkenes B. replacement of the -OH in alcohol by a halide C. dehydrohalogenation of hydrocarbon D. addition of hydrogen halide to alkene

4. Which of the following reactions is NOT a method of preparation of alkylhalide? A. addition of halogens to alkenes B. replacement of the -OH in alcohol by a halide C. dehydrohalogenation of hydrocarbon D. addition of hydrogen halide to alkene

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Alkanes and Cycloalkanes

Alkanes are saturated organic compounds which are made up of C and H atoms. Alkanes have the general formula of CnH2n+2. Alkane contains sp3 hybridized carbon atoms with four sigmas (σ) bonds & every hydrogen atom is connected with one of the carbon atoms. The size of the alkane could be determined by the number of carbon atoms located in it.

Question

4. Which of the following reactions is NOT a method of preparation of alkylhalide?
A. addition of halogens to alkenes
B. replacement of the -OH in alcohol by a halide
C. dehydrohalogenation
of hydrocarbon
D. addition of hydrogen halide to alkene
5. In SN₂ reaction of alkylhalide(substrate) with NaOH(nucleophile), the rate of the reaction is tripled if the
concentration of:
A. Substrate and nucleophile are both doubled
B. Nucleophile is decreased by 1/3 and substrate doubled
C. Substrate is tripled and nucleophile doubled
D. Nucleophile is tripled
6. Arrange the following alkylhalide in order of decreasing reactivity in an SN₁ reaction:
I. CH3CH(Br)CH₂CH3
A. I>II>III>IV
II. CH3CH(C1)CH₂CH3 III. CICH₂CH₂CH₂CH3 IV. (CH3)2C(Br)CHCH3
D. IV>II>I>III
B. IV>III>II>I C. IV>I>II>III

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