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11th
Chemistry
Hydrocarbons
Alkanes
$Substitution Reactions of A...$

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Substitution Reactions of Alkanes

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Mechanism of Halogenation of alkane - definition

Alkanes react with halogens such as Cl, I, Br differently. With Cl it reacts vigorously and forms alkyl chloride even reaction can be so vigorous that all hydrogen of alkane can be replaced by chlorine and formation of carbon tetra chloride takes place in methane. In halogens Cl is highly reactive than Br and I.

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$(A) + C l_{2} h v m o n o c h l o r o p r o d u c t$
To maximise the yield of monochloro product in the above reaction?

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Statement-I : Neopentane forms only one monochlorinated product.
because
Statement-II : Neopentane has four identical methyl group attached to a quaternary carbon.

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Select true statement(S)

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Condition for maximum yield of $C_{2} H_{5} C l$ is:

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What is the major product of the reaction?

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Products obtained in above Wurtz reaction is:

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Halogenation takes place by free-radical mechanism. The values of $E$ for chain initiation and chain propagation steps and enthalpy of overall reaction of halogens with alkane are given. Match the values with the type of halogens.

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The increasing order of stability of the following free radicals is:

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Lithium di(3-pentyl) cuperate on reaction with an alkyl bromide produced (X) $C_{7} H_{16}$ . The mixture of a total number of monochloro isomers formed from (X) is subjected to fractional distillation. The number of fractions obtained is :

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If the relative reactivity of $1^{\circ}, 2^{\circ}$ and $3^{\circ}$ hydrogens towards free redical chlorination is $1 : 4.5 : 5.5,$ what would be the percentage of 1-chloro-2-methycyclohexane in the free radical chlorination of methyl cyclohexane?

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Mechanism of Halogenation of alkane - definition

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Related Concepts

Saturated Hydrocarbons - Alkanes

Nomenclature And Isomerism in Alkanes

Physical Properties of Alkanes

Preparation of Alkanes

Conformations of Alkanes

Combustion Reactions of Alkanes

Alkanes-Isomerisation, Aromatization, Pyrolysis and Reaction with steam

Learn with Videos

Quick summary with Stories

Substitution Reactions of Alkanes

Related questions

(A)+Cl2​hv​monochloroproduct To maximise the yield of monochloro product in the above reaction?

Statement-I : Neopentane forms only one monochlorinated product. because Statement-II : Neopentane has four identical methyl group attached to a quaternary carbon.

Select true statement(S)

Condition for maximum yield of C2​H5​Cl is:

What is the major product of the reaction?

Products obtained in above Wurtz reaction is:

Halogenation takes place by free-radical mechanism. The values of E for chain initiation and chain propagation steps and enthalpy of overall reaction of halogens with alkane are given. Match the values with the type of halogens.

The increasing order of stability of the following free radicals is:

Lithium di(3-pentyl) cuperate on reaction with an alkyl bromide produced (X) C7​H16​. The mixture of a total number of monochloro isomers formed from (X) is subjected to fractional distillation. The number of fractions obtained is :

If the relative reactivity of 1∘,2∘ and 3∘ hydrogens towards free redical chlorination is 1:4.5:5.5, what would be the percentage of 1-chloro-2-methycyclohexane in the free radical chlorination of methyl cyclohexane?

$(A) + C l_{2} h v m o n o c h l o r o p r o d u c t$
To maximise the yield of monochloro product in the above reaction?

Statement-I : Neopentane forms only one monochlorinated product.
because
Statement-II : Neopentane has four identical methyl group attached to a quaternary carbon.

Condition for maximum yield of $C_{2} H_{5} C l$ is:

Halogenation takes place by free-radical mechanism. The values of $E$ for chain initiation and chain propagation steps and enthalpy of overall reaction of halogens with alkane are given. Match the values with the type of halogens.

Lithium di(3-pentyl) cuperate on reaction with an alkyl bromide produced (X) $C_{7} H_{16}$ . The mixture of a total number of monochloro isomers formed from (X) is subjected to fractional distillation. The number of fractions obtained is :

If the relative reactivity of $1^{\circ}, 2^{\circ}$ and $3^{\circ}$ hydrogens towards free redical chlorination is $1 : 4.5 : 5.5,$ what would be the percentage of 1-chloro-2-methycyclohexane in the free radical chlorination of methyl cyclohexane?