Haloalkanes and Haloarenes · Chemistry · JEE Main

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...

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

Which among the following compounds will undergo fastest SN2 reaction.

Identify the major product in the following reaction. ...

Product P is...

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

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

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

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

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

Identify A and B in the following reaction sequence. ...

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...

Given below are two statements: Statement - I: High concentration of strong nucleophilic reagent with secondary alkyl halides which do not have bulky ...

Example of vinylic halide is :

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}...

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 ...

Identify B formed in the reaction. $$\mathrm{Cl}-\left(\mathrm{CH}_2\right)_4-\mathrm{Cl} \xrightarrow{\text { excess } \mathrm{NH}_3} \mathrm{~A} \xr...

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...

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

The major product formed in the Friedel-Craft acylation of chlorobenzene 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 be...

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 answ...

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...

In the following halogenated organic compounds, the one with the maximum number of chlorine atoms in its structure 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 .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family...

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$$^{-}$...

Compound 'A' undergoes following sequence of reactions to give compound 'B'. The correct structure and chirality of compound 'B' is [where Et is $$\le...

Which among the following pairs of the structures will give different products on ozonolysis? (Consider the double bonds in the structures are rigid a...

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, ...

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 SN1 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 following sequence of reactions,The compounds B and C respectively are :-...

The major product of the following reaction is :...

The correct order of reactivity of the given chlorides with acetate in acetic acid is :

The major product (A) formed in the reaction given below is :...

In the following sequence of reactions the P is :...

Consider the given reaction, the product A is :...

The major product formed in the following reaction is :...

Among the following compounds I-IV, which one forms a yellow precipitate on reacting sequentially with (i) NaOH (ii) dil. HNO3 (iii) AgNO3?...

Excess of isobutane on reaction with Br2 in presence of light at 125$$^\circ$$C gives which one of the following, as the major product?

The given reaction can occur in the presence of :(a) Bromine water(b) Br2 in CS2, 273 K(c) Br2/FeBr3(d) Br2 in CHCl3, 273 KChoose the correct answer f...

Given below are two statements :Statement I : C2H5OH and AgCN both can generate nucleophile.Statement II : KCN and AgCN both will generate nitrile nuc...

Main products formed during a reaction of 1-methoxy naphthalene with hydroiodic acid are :

Reaction of Grignard reagent, C2H5MgBr with C8H8O followed by hydrolysis gives compound "A" which reacts instantly with Lucas reagent to give compound...

The correct pair(s) of the ambident nucleophiles is(are)(A) AgCN/KCN(B) RCOOAg/RCOOK(C) AgNO2/KNO2(D) AgI/KI...

The above reaction requires which of the following reaction conditions?...

Product ''A'' in the above chemical reaction is :...

Which of the following reaction is an example of ammonolysis?

Identify the reagent(s) 'A' and condition(s) for the reaction...

The products ''A'' and ''B'' formed in above reactions are :...

Match List - I with List - II.Choose the correct answer from the options given below :...

For the given reactionWhat is 'A'?...

For the given reaction :What is 'A'?...

Identify A and B in the chemical reaction....

What is the major product formed by HI on reaction with ...

The product formed in the first step of the reaction of with excess $$\mathrm{Mg/Et_2O}$$ ($$\mathrm{Et=C_2H_5}$$) is ...

The increasing order of the boiling points of the major products A, B and C of the following reactions will be : ...

The major product formed in the following reaction is : CH3CH = CHCH(CH3)2 $$\buildrel {HBr} \over \longrightarrow $$...

Which of the following compounds will form the precipitate with aq. AgNO3 solution most readily?

Among the following compounds, which one has the shortest C – Cl bond?

The decreasing order of reactivity of the following organic molecules towards AgNO3 solution is : ...

The major product in the following reaction is : ...

The decreasing order of reactivity of the following compounds towards nucleophilic substitution (SN2) is : ...

The mechanism of SN1 reaction is given as : A student writes general characteristics based on the given mechanism as : (a) The reaction is favoured b...

Consider the reaction sequence given below: Which of the following statements is true?...

The major product obtained from E2 - elimination of 3-bromo-2-fluoropentane is

Which of the following compunds will show retention in configuration on nucleophilic substitution by OH– ion?

Which of the following reactions will not produce a racemic product?

Which of these will produce the highest yield in Friedel Crafts reaction?

The decreasing order of reactivity towards dehydrohalogenation (E1) reaction of the following compounds is : ...

For the following reactions Ks and Ke, are respectively, the rate constants for substitution and elimination and $$\mu = {{{k_s}} \over {{k_e}}}$$ t...

Consider the following reactions : Which of these reactions are possible ?...

1- methyl ethylene oxide when treated with an excess of HBr produces :

Heating of 2-chloro-1-phenylbutane with EtOK/EtOH gives X as the major product. Reaction of X with Hg(OAc)2/H2O followed by NaBH4 gives Y as the major...

Which one of the following is likely to give a precipitate with AgNO3 solution ?

An 'Assertion' and a 'Reason' are given below. Choose the correct answer from the following options : Assertion (A) : Vinyl halides do not undergo nuc...

The major product 'Y' in the following reactions is : ...

The major product obtained in the given reaction is : ...

The major product of the following reaction is : ...

Increasing rate of SN1 reaction in the following compounds is : ...

Which one of the following alkenes when treated with HCl yields majorly an anti Markovnikov product?

The major product in the following reaction is : ...

The major product of the following reaction is: ...

The major product in the following conversion is – ...

Which of the following compounds will produce a precipitate with AgNO3 ?

Which hydrogen in compound (E) is easily replaceable during bromination reaction in presence of light ? ...

The compounds A and B in the following reaction are, respectively : ...

The major product of the following reaction is : ...

The major product of the following reaction is : ...

The major product of the following reaction is : ...

The most polar compound among the following is :

The major product of the following reaction is: ...

In the following reaction sequence : The compound I is : ...

The major product of the following reaction is : ...

The major product of the following reaction is : ...

Which of the following compounds will not undergo Friedel Craft’s reaction with benzene ?

The increasing order of the reactivity of the following halides for the SN1 reaction is : ...

The major product obtained in the following reaction is : ...

3-Methyl-pent-2-ene on reaction with HBr in presence of peroxide forms an addition product. The number of possible stereoisomers for the product is :

Which of the following, upon treatment with tert-BuONa followed by addition of bromine water, fails to decolorize the colour of bromine?

Which one of the following reagents is not suitable for the elimination reaction ? ...

Bromination of cyclohexene under conditions given below yields : ...

The synthesis of alkyl fluorides is best accomplished by:

The major organic compound formed by the reaction of 1, 1, 1– trichloroethane with silver powder is:

In SN2 reactions, the correct order of reactivity for the following compounds: CH3Cl, CH3CH 2Cl, (CH3)2CHCl and (CH3)3CCl is: ...

A solution of (–$$l$$) – chloro –1 – phenylethane in toluene racemises slowly in the presence of a small amount of SbCl5, due to the formation of :...

Compound $$\left( A \right),\,{C_8}{H_9}Br,\,\,\,$$ gives a white precipitate when warmed with alcoholic $$AgN{O_3}.$$ Oxidation of $$(A)$$ gives an ...

How many chiral compounds are possible on monochlorination of 2–methyl butane ?

What is DDT among the following?

Iodoform can be prepared from all except :

Consider the following bromides : The correct order of $${S_N}1$$ reactive is ...

Which of the following on heating with aqueous KOH, produces acetaldehyde ?

The organic chloro compound, which shows complete stereochemical inversion during a SN2 reaction, is

Which of the following is the correct order of decreasing SN2 reactivity?

Fluorobenzene (C6H5F) can be synthesized in the laboratory

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

Reaction of trans-2-phenyl-1-bromocyclopentane on reaction with alcoholic KOH produces

Tertiary alkyl halides are practically inert to substitution by SN2 mechanism because of

Elimination of bromine from 2-bromobutane results in the formation of-

Alkyl halides react with dialkyl copper reagents to give

The compound formed on heating chlorobenzene with chloral in the presence concentrated sulphuric acid is

Bottles containing C6H5l and C6H5CH2I lost their original labels. They were labelled A and B for testing A and B were separately taken in test tubes a...

The reaction : $${(CH)_3}C - Br\buildrel {{H_2}O} \over \longrightarrow {(CH)_3}C - OH$$

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 $$\m...

Number of moles of AgCl formed in the following reaction 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 __________....

A chloro compound "A".(i) forms aldehydes on ozonolysis followed by the hydrolysis.(ii) when vaporized completely 1.53 g of A, gives 448 mL of vapour ...