Haloalkanes and Haloarenes

The final product A, formed in the following multistep reaction sequence is :

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : $\mathrm{CH}_2=\mathrm{CH}-\mathrm{CH}_2-\mathrm{Cl}$ is an example of allyl halide.

Reason (R) : Allyl halides are the compounds in which the halogen atom is attached to $\mathrm{sp}^2$ hybridised carbon atom.

In the light of the above statements, choose the most appropriate answer from the options given below :

Alkyl halide is converted into alkyl isocyanide by reaction with

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R :

Assertion A : Aryl halides cannot be prepared by replacement of hydroxyl group of phenol by halogen atom.

Reason R : Phenols react with halogen acids violently.

In the light of the above statements, choose the most appropriate from the options given below :

Identify B formed in the reaction.

$\mathrm{Cl}-\left(\mathrm{CH}_2\right)_4-\mathrm{Cl} \xrightarrow{\text { excess } \mathrm{NH}_3} \mathrm{~A} \xrightarrow{\mathrm{NaOH}} \mathrm{B}+\mathrm{H}_2 \mathrm{O}+\mathrm{NaCl}$

Which among the following halide/s will not show $\mathrm{S_N 1}$ reaction:

(A) $\mathrm{H}_2 \mathrm{C}=\mathrm{CH}-\mathrm{CH}_2 \mathrm{Cl}$

(B) $\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{Cl}$

(C)

(D)

Choose the most appropriate answer from the options given below :

The correct statement regarding nucleophilic substitution reaction in a chiral alkyl halide is ;

The ratio of number of oxygen atoms to bromine atoms in the product Q is _________ $\times 10^{-1}$.

The number of halobenzenes from the following that can be prepared by Sandmeyer's reaction is _________

The total number of hydrogen atoms in product A and product B is _________.

2-chlorobutane $+\mathrm{Cl}_2 \rightarrow \mathrm{C}_4 \mathrm{H}_8 \mathrm{Cl}_2$ (isomers)

Total number of optically active isomers shown by $\mathrm{C}_4 \mathrm{H}_8 \mathrm{Cl}_2$, obtained in the above reaction is _________.

In the following reaction 'X' is

Compound from the following that will not produce precipitate on reaction with $\mathrm{AgNO}_{3}$ is :

Find out the correct statement from the options given below for the above 2 reactions.

Identify the correct order of reactivity for the following pairs towards the respective mechanism

Choose the correct answer from the options given below:

The pair from the following pairs having both compounds with net non-zero dipole moment is

Major product '$\mathrm{P}$' formed in the following reaction is:

The correct order of reactivity of following haloarenes towards nucleophilic substitution with aqueous $\mathrm{NaOH}$ is :

Choose the correct answer from the options given below:

Choose the halogen which is most reactive towards $\mathrm{S}_{\mathrm{N}} 1$ reaction in the given compounds (A, B, C & D)

For the reaction

The correct statement is

The correct order of melting points of dichlorobenzenes is

Decreasing order towards SN 1 reaction for the following compounds is:

Match List I with List II

	List I		List II
A.		I.	Fittig reaction
B.		II.	Wurtz Fittig reaction
C.		III.	Finkelstein reaction
D.	$\mathrm{C_5H_5C1+NaI\to C_2H_5I+NaCl}$	IV.	Sandemyer reaction

Choose the correct answer from the options given below :

Identify the correct order for the given property for following compounds.

Choose the correct answer from the option given below :

The isomeric deuterated bromide with molecular formula $\mathrm{C_4H_8DBr}$ having two chiral carbon atoms is

The compound which will have the lowest rate towards nucleophilic aromatic substitution on treatment with OH$^-$ is

Assertion A : Hydrolysis of an alkyl chloride is a slow reaction but in the presence of NaI, the rate of the hydrolysis increases.

Reason R : I$^{-}$ is a good nucleophile as well as a good leaving group.

In the light of the above statements, choose the correct answer from the options given below

Number of moles of AgCl formed in the following reaction is _____________

Compound 'A' undergoes following sequence of reactions to give compound 'B'.

The correct structure and chirality of compound 'B' is

[where Et is $\left.-\mathrm{C}_{2} \mathrm{H}_{5}\right]$

Which among the following pairs of the structures will give different products on ozonolysis? (Consider the double bonds in the structures are rigid and not delocalized.)

Considering the above reactions, the compound 'A' and compound 'B' respectively are :

The major product in the given reaction is

Major product '$\mathrm{B}$' of the following reaction sequence is :

The stable carbocation formed in the above reaction is

Two isomers (A) and (B) with Molar mass 184 g/mol and elemental composition C, 52.2%; H, 4.9% and Br 42.9% gave benzoic acid and p-bromobenzoic acid, respectively on oxidation with KMnO₄. Isomer 'A' is optically active and gives a pale yellow precipitate when warmed with alcoholic AgNO₃. Isomer 'A' and 'B' are, respectively

In the given conversion the compound A is :

In the above reaction 'A' is

The major product (P) in the reaction

is

Which one of the following compounds is inactive towards S_N1 reaction?

The major product of the following reaction is :

Halogenation of which one of the following will yield m-substituted product with respect to methyl group as a major product?

The major product in the reaction

In the given reaction sequence, the major product 'C' is :

In the presence of sunlight, benzene reacts with Cl₂ to give product, X. The number of hydrogens in X is _____________.

The major product of the following reaction contains ____________ bromine atom(s).

Consider the above reaction. The number of $\pi$ electrons present in the product 'P' is __________.