Haloalkanes and Haloarenes

Given below are two statements :
Statement I : Due to increase in van der Waals forces, the order of boiling points is $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{I}>\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{I}>\mathrm{CH}_3 \mathrm{I}$.
$...

Given below are two statements :
Statement I : 3-phenylpropene reacts with HBr and gives secondary alkyl bromide having a chiral carbon atom as the major product.
Statement II : Aryl chlorides and aryl cyanides can be prepared by Sandmeyer ...

RMgI when treated with ice cold water liberated a gas which occupied $1.4 \mathrm{dm}^3 / \mathrm{g}$ at STP. The gas produced is further reacted with iodine in presence of $\mathrm{HIO}_3$ to give compound $(\mathrm{X})$. Compound $(\mathr...

\(\text { Match the LIST-I with LIST-II }\)


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Given below are two statements :Statement (I) : Benzyl chloride reacts faster in $S_N1$ mechanism than ethyl chloride.Statement (II) : Ethyl carbocation intermediate is less stabilized by hyperconjugation than benzyl carbocation by resonanc...

Correct statements regarding alkyl halides (R–X) among the following are : A. Alcohol being less polar solvent as compared to water, alcoholic KOH favours elimination reaction with R–X. B. Order of reactivity towards SN1 mechanism is C6H5–C...

$\mathrm{Ph}-\mathrm{CH}=\mathrm{CH}_2 \xrightarrow[\mathrm{HBr}]{(\mathrm{PhCOO})_2}$ Product
Consider the above reaction
A. The reaction proceeds through a more stable radical intermediate.
B. The role of peroxide is to generate $${H^ \bu...

Consider the following reactions giving major product. Identify the correct reaction.

Given below are two statements :
Statement I : ' $\mathrm{C}-\mathrm{Cl}$ ' bond is stronger in $\mathrm{CH}_2=\mathrm{CH}-\mathrm{Cl}$ than $\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{Cl}$
Statement II : The given optically active molecule, on
h...

Match the List-I with List-II
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Consider all the structural isomers with molecular formula $\mathrm{C}_5 \mathrm{H}_{11} \mathrm{Br}$ are separately treated with $\mathrm{KOH}(\mathrm{aq})$ to give respective substitution products, without any rearrangement. The number of...

\(\text { Consider the following compounds }\)

\(\text { Arrange these compounds in the increasing order of reactivity with nitrating mixture. }\)

The correct order of reactivity of $\mathrm{CH}_3 \mathrm{Br}$ in methanol with the following nucleophiles is
$\mathrm{F}^{-}, \mathrm{I}^{-}, \mathrm{C}_2 \mathrm{H}_5 \mathrm{O}^{-}$and $\mathrm{C}_6 \mathrm{H}_5 \mathrm{O}^{-}$

The correct order of the rate of reaction of the following reactants with nucleophile by $\mathrm{S}_{\mathrm{N}} 1$ mechanism is :
(Given : Structures I and II are rigid)

As compared with chlorocyclohexane, which of the following statements correctly apply to chlorobenzene?
A. The magnitude of negative charge is more on chlorine atom.
B. The $\mathrm{C}-\mathrm{Cl}$ bond has partial double bond character.
C....

The correct order of reactivity of the following benzyl halides towards reaction with KCN is :

The correct order of the rate of the reaction for the following reaction with respect to nucleophiles is :${CH_3Br + Nu^- \longrightarrow CH_3Nu + Br^-}$

Which one of the following reactions will not lead to the desired ether formation in major proportion?
(iso- $\mathrm{Bu} \Rightarrow$ isobutyl, sec $-\mathrm{Bu} \Rightarrow$ sec-butyl, $\mathrm{nPr} \Rightarrow \mathrm{n}$-propyl, $$ { }^...

Choose the correct set of reagents for the following conversion.

'P' is

Given below are two statements :
Statement (I) : Alcohols are formed when alkyl chlorides are treated with aqueous potassium hydroxide by elimination reaction.
Statement (II) : In alcoholic potassium hydroxide, alkyl chlorides form alkenes ...

Consider the following molecule(X).

The major product formed when the given molecule $(X)$ is treated with $\mathrm{HBr}(1 \mathrm{eq})$ is :

\(\text {In the following series of reactions identify the major products } \mathrm{A} \& \mathrm{~B} \text { respectively }\)

Consider the above sequence of reactions. 151 g of 2-bromopentane is made to react. Yield of major product P is $80 \%$ whereas Q is $100 \%$.
Mass of product Q obtained is________ g.
(Given molar mass in $\mathrm{g} \mathrm{mol}^{-1} \math...

Which among the following halides will generate the most stable carbocation in the nucleophilic substitution reaction?

Consider the following sequence of reactions:

11.25 mg of chlorobenzene will produce ___________$\times 10^{-1} \mathrm{mg}$ of product B.
(Consider the reactions result in complete conversion.)
[Given molar mass of $\mathrm{C}, \mathrm{H...

The products A and B in the following reactions, respectively are
$\mathrm{A} \stackrel{\mathrm{Ag}-\mathrm{NO}_2}{\longleftrightarrow} \mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{Br} \xrightarrow{\mathrm{AgCN}} \mathrm{B}$

The major product of the following reaction is:

Given below are two statements:
Statement I: The conversion proceeds well in the less polar medium.
$$\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{Cl} \xrightarrow{\mathrm{HO}^{-}} \mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_...

Following are the four molecules "P", "Q", "R" and "S".
Which one among the four molecules will react with $\mathrm{H}-\mathrm{Br}_{(\mathrm{aq})}$ at the fastest rate?

The structure of the major product formed in the following reaction is :

Propane molecule on chlorination under photochemical condition gives two di-chloro products, " $x$ " and " $y$ ". Amongst " $x$ " and " $y$ ", " $x$ " is an optically active molecule. How many tri-chloro products (consider only structural i...

The ascending order of relative rate of solvolysis of following compounds is :

Identify the products [A] and [B], respectively in the following reaction:

Given below are two statements :
Statement I : $\quad \mathrm{CH}_3-\mathrm{O}-\mathrm{CH}_2-\mathrm{Cl}$ will undergo $\mathrm{S}_{\mathrm{N}} 1$ reaction though it is a primary halide.
Statement II : will not undergo $\mathrm{S}_{\mathrm...

The maximum number of RBr producing 2-methylbutane by above sequence of reactions is
__________ . (Consider the structural isomers only)

In the following sequence of reaction, the major products B and C respectively are :

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : \(\mathrm{S}_{\mathrm{N}} 2\) reaction of \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{Br}\) occurs more readily...

Which among the following compounds will undergo fastest SN2 reaction.

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 _________

Identify the major product in the following reaction.

Identify the correct set of reagents or reaction conditions '\(X\)' and '\(Y\)' in the following set of transformation.

Identify B and C and how are A and C related?

Product P is

\(\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{Br}+\mathrm{NaOH} \xrightarrow{\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}} \text { Product 'A' }\)

Consider the above reactions, identify product B and product C.

Find out the major product formed from the following reaction. \([\mathrm{Me}:-\mathrm{CH}_3]\)

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

The product (C) in the below mentioned reaction is :
$$\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{Br} \xrightarrow[\Delta]{\mathrm{KOH}_{(\text {alc) }}} \mathrm{A} \xrightarrow{\mathrm{HBr}} \mathrm{B} \xrightarrow[\mathrm{KOH}_{(\m...

Identify A and B in the following reaction sequence.