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Haloalkanes and haloarenes may be classified as follows: These may be classified as mono, di, or polyhalogen (tri-,tetra-, etc ) compounds depending on whether they contain one, two or more halogen atoms in their structures

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atom of an alkyl group whereas haloarenes contain halogen Haloalkanes and haloarenes may be classified as follows: salt is formed (Unit 13, Class XII)

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www ncerthelp com (Visit for all ncert solutions in text and videos, CBSE Haloalkanes and Haloarenes General Methods of Preparation of Haloalkanes 1

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Haloalkanes and haloarenes may be classified as follows: These may be Chemistry According to IUPAC system (Unit 12, Class XI), the name of an alcohol

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3018, Old Y Block, 3rd Street, 12th Main Road, Anna Nagar West Ph 23741471 formation of haloalkanes (or alkyl halides) and haloarenes (or aryl halides) These classes of compounds find wide applications in industry as well as

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In this lesson, you will study the nomenclature, methods of preparation and properties of this important class of carbon compounds OBJECTIVES After reading 

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13 sept 2020 · haloalkanes and haloarenes chemistry cbse class 12, class 12 chemistry revision notes for chapter 10, alkyl amp aryl halides study material for 

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Named Reactions Of Haloalkanes and haloarenes 1)Finkelstein Reaction This reaction used for the preparation of iodoalkenes from the corresponding

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Class -Xllth Chemistry 3rd week Ch 10 ( Haloalkanes and haloarenes) Section -A (1 Write and explain methods of preparation of haloalkanes with example

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Assignment

Class -Xllth

Chemistry

3rd week

Ch 10 ( Haloalkanes and haloarenes)

Section -A (1 marks )

Out of A.

B.

Which is an example of a allylic halide?

Out of and ,Which is an example of vinylic halide?

Out of CHcl2 CH2CH2Cl which is an example of a benzylic halide?

Write the structure of 1-bromo-4-chlorobut-2-ene ?

Write the IUPAC name of CH3-C=C-CH2OH

CH3 Br

How do you convert Propene to 1- iodopropane ?

What happen when bromine attacks CH2=CH-CH2-CH?

Why are alkyl halide insoluble in water ?

Haloalkanes easily dissolve in organic solvents. why? Give Reason: n-butyl bromide has higher boiling point then t-butyl bromide.

Section -B (2 Marks)

Draw the structure of major monohalo product in each of following reactions: i.

OH SOCl2

ii.

CH2-CH=CH2+HBr Peroride

Complete the following reaction equations:

i. CH3 + HI ii. CH3CH2CH=CH2+HBr

Explain Why

i. The dipole moment of chlorobenzene is lower then of cyclohexyl chloride? ii. Alkyl halides , though polar, are immiscible with water?

Write structure of the following:

i. 3-bromo-2-methylprop-1-ene. ii. 1,4-dibromobut-2-ene.

Write the IUPAC Name of the following

CH3 i. CH3-C-CH-CH3 -CH3

CH3 cl

ii. CH3-C=C-CH2OH

CH3 Br

According for the following

i. The C- Cl bond length in Chlorobenzene is shorter than that in CH3-Cl. ii. Chloroform is stored in closed dark brown bottles. Chloroform is extremely less reactive towards a nucleophilic substitution reaction . Give two reasons for the same .

Section -C (3 marks )

Explain the following

i. The dipole moment of chlorobenzene is lower than that of cyclohexyl chloride. ii. Alkyl halides , though polar ,are immiscible with water iii. Grignard reagents should be prepared under anhydrous conditions

What happen when :

I. CH3-Cl is treated with aqueous KOH ?

II. CH3-CL is Treated with KCN ?

III. CH3-Br is treated with Mg in the presence of dry Ether ?

Give the IUPAC names of the following compounds

i. CH3-CH-CH2-CH3 ii. Br Br iii. CH2=CH-CH2-Cl

What happen when

i. Chlorobenzene is treated with Cl2/FeCl3. ii. Ethyl Chloride is Treated with AgNO2. iii. 3-bromopentane is treated with alcoholic KOH? Write the chemical equation in support of your answer.

Section -D (4 marks )

Write and explain methods of preparation of haloalkanes with example i. From alcohols ii. From hydrocarbon iii. From alkenes iv. Halide exchange

Explain Following terms:-

i. Nature of c-x Bond in haloalkenes ii. Swarts Reaction. iii. Finkelstein Reaction

Define and explain classification of alkanes:

i. On the basis of no. Of halogen atoms ii. On the basis of sp3 hybridisation. iii. On the basis of sp2 hybridisation Write the common and IUPAC names of the following compounds in tabular forms i. CH3Cl ii. CH3CH2Cl iii. CH3-CH-CH3 Cl iv. CH3-C-CH3 CH3 v. CCl4 vi. ClCH2-CH2Cl vii. CCl2F2 viii. CHCL=CCL2 ix. CHI3 x. CHCL3quotesdbs_dbs17.pdfusesText_23