Haloalkanes and Haloarenes · Chemistry · MHT CET
MCQ (Single Correct Answer)
$$ \text { Identify ' } \mathrm{A} \text { ' in the following reaction. } $$
$$ \mathrm{A}+\text { Acetyl chloride } \xrightarrow[\mathrm{AlCl}_3]{\text { anhydrous }} \text { 2-Chloroacetophenone + 4-Chloroacetophenone }$$
Which of the following reagents is used in the preparation of nitroalkane from haloalkane?
What is the order of reactivity of alkyl halides with ammonia?
$$ \text { Which among the following is haloarene? } $$
Which from following is the most commonly used refrigerant Freon-12?
Identify ' $A$ ' in the following reaction.
$$ \begin{aligned} &\mathrm{A}+\text { chloromethane } \xrightarrow[\mathrm{AlCl}_3]{\text { Anhydrous }} \text { 2-chlorotoluene }+4 \text {-chlorotoluene } \end{aligned} $$
Identify the product ' $A$ ' formed in the following reaction.
Identify the product when chlorobenzene is heated with nitrating mixture.
Identify the product formed when 2-Bromobutane is heated with aqueous solution of sodium hydroxide.
Which of the following is likely to undergo racemization during alkaline hydrolysis by $\mathrm{S}_{\mathrm{N}} 1$ mechanism?
$$ \begin{aligned} &\text { Identify ' } \mathrm{A} \text { ' in the following reaction. }\\ &\underset{\text { (excess) }}{\mathrm{A}}+\underset{\text { (excess) }}{\operatorname{Acetyl} \text { chloride }} \xrightarrow[\mathrm{AlCl}_3]{\text { Anhydrous }} \end{aligned} $$
2-Chloroacetophenone + 4-Chloroacetophenone
Identify the major product formed in the following reaction.
Chlorobenzene $\xrightarrow[\text { Antilyctous } \mathrm{FeCl}_3]{\mathrm{Cl}_2}$ Product
Which of the following compounds has difficulty in breaking of $\mathrm{C}-\mathrm{X}$ bond?
Which of the following compounds forms 1-bromo-1-methylcyclohexane when treated with HBr ?
Which of the following has highest reactivity towards nucleophilic substitution reaction involving cleavage of $\mathrm{C}-\mathrm{Cl}$ bond?
Which among the following statements is true for haloalkyne?
Which among the following is NOT Allylic halide?
Which of the following has highest reactivity for $\mathrm{S}_{\mathrm{N}} 1$ reactions?
Which of the following is NOT obtained when a mixture of chloroethane and 1-chloropropane is treated with sodium metal in dry ether?
What type of arenes are obtained when arene diazonium chloride is treated with fluoroboric acid and then heated further?
Which among the following is vinylic halide?
The correct order of reactivity for reaction involving cleavage of C-X bond in following compounds is
Identify the substrate ' S ' in the following reaction,
Which of the following pair of compounds on heating gives butanenitrile?
Identify the reagent involved in Sandmeyer reaction.
Identify the product ' X ' formed in the following reaction,
Sodium ethoxide + Isopropyl chloride$\longrightarrow \mathrm{X}+$ Ethanol + Sodium chloride
Which among the following is NOT benzylic halide?
Which among the following is an allylic halide?
When tert butyl bromide is heated with silver fluoride the major product obtained is
Which of the following compounds is obtained by using Finkelstein reaction?
Identify the reactivity order for halogens towards alkanes.
What is the major product obtained when tert-butyl bromide is heated with silver fluoride?
Identify the product ' B ' in the following sequence of recations.
$$\mathrm{CH}_3 \mathrm{Br} \xrightarrow{\mathrm{KCN}} \mathrm{~A} \xrightarrow{\mathrm{Na}_2 / \mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}} \mathrm{~B}$$
Which among the following has lowest boiling point?
Which of the following compounds does not undergo Williamson's synthesis?
Identify product ' B ' in following reaction.
$$\mathrm{CH}_3-\mathrm{I}+\mathrm{KCN} \longrightarrow \mathrm{~A} \xrightarrow[\substack{\mathrm{C}_2 \mathrm{H}_2 \mathrm{OH} \\}]{\mathrm{Na}} \mathrm{B} $$
Which of the following is vinylic halide?
Identify the product obtained in the following reaction.
$$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Br}+\mathrm{CH}_3 \mathrm{COOAg} \xrightarrow{\Delta} \mathrm{x}+\mathrm{AgBr}$$
Which among the following is benzylic halide?
Which alkyl halide has highest bond enthalpy of $\mathrm{C}-\mathrm{X}$ bond?
Which among the following has lowest boiling point?
Which from following compounds is used to prepare a refrigerant R-22?
Which among the following is not haloalkyne?
Identify the major product formed in the bromination of 2-Methylpropane.
Identify structural formula of DDT.
What is the order of ease of dehydrohalogenation of alkyl halides?
Identify the product obtained when chlorobenzene is heated with conc. $\mathrm{HNO}_3$ in presence of conc. $\mathrm{H}_2 \mathrm{SO}_4$.
Which among the following reactions is used for the preparation of alkyl fluorides?
Identify ' B ' in the following conversion.
$$\mathrm{CH}_3-\mathrm{I} \xrightarrow{\mathrm{KCN}} \mathrm{~A} \xrightarrow{\mathrm{Na} / \mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}} \mathrm{~B}$$
Which among the following is NOT allylic halide?
The correct order of reactivity for reactions involving cleavage of $\mathrm{C}-\mathrm{Cl}$ bond in following compounds is
Which of the following is correct decreasing order of boiling point of compounds?
Identify the number of moles of ethene obtained when n moles of $\mathrm{N}, \mathrm{N}, \mathrm{N}$-triethylpropylammonium iodide is treated with moist $\mathrm{Ag}_2 \mathrm{O}$ and then heated.
Identify compound Q in following reaction.
$$\mathrm{R}-\mathrm{OH}+\mathrm{Q} \longrightarrow \mathrm{R}-\mathrm{Cl}+\mathrm{HCl}+\mathrm{POCl}_3$$
Which from following alkyl halides has highest boiling point?
Identify the substrate 'S' in the following reaction.
Which of the following compounds has difficulty in breaking the $\mathrm{C}-\mathrm{Cl}$ bond?
Identify the major product obtained in the following reaction.
Chlorobenzene $\xrightarrow[A \text { Anhydrous } \mathrm{FFCl}_3]{\mathrm{Cl}_2}$ major product
Which of the following compounds is obtained by using Swartz reaction?
Identify the product obtained when methyl bromide reacts with sodium tert-butoxide.
Which among the following is haloarene?
Which among the following is haloalkyne?
Identify major product formed in the following reaction.
3-Bromo-2-methylpentane $$\xrightarrow[\Delta]{\text { Alc.KOH }}$$ Major product
What is the number of moles of ethane obtained from $$2 n$$ moles of bromomethane using $$2 n$$ moles of sodium atoms in dry ether medium?
Which of the following is formed when propene is heated with bromine at high temperature?
Which among the following is benzylic halide?
Identify '$$B$$' in the following conversions
$$\mathrm{CH}_3 \mathrm{Br} \xrightarrow{\mathrm{KCN}} A \xrightarrow{\mathrm{Na} / \mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}} B$$
Which of the following compounds has lowest boiling point?
Which among the following is a feature of $$\mathrm{S}_{\mathrm{N}} 1$$ mechanism?
Which of the following is formed when propene is heated with chlorine at high temperature?
Which of the following gases is formed during oxidation of trichloromethane?
Which of the following compounds has difficulty in breaking of $$\mathrm{C}-\mathrm{X}$$ bond during nucleophilic substitution reaction?
Which among the following is haloalkyne?
Which of the following reactions is used for the conversion of alkyl chloride to alkyl iodide?
Which of the following compounds does NOT undergo Williamson's synthesis?
Identify major product $$\mathrm{A}$$ in following reaction.
3-Bromo-2-methylpentane $$\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_\Delta ^{alc.KOH}}}$$ A
The molecular formula of hexachlorobenzene is
Identify the final product formed on ammonolysis of benzyl chloride followed by the reaction with two moles of $$\mathrm{CH}_3 \mathrm{I}$$.
When tert-butyl bromide is heated with silver fluoride, the major product obtained is:
The reaction of aryl halide with alkyl halide and sodium metal in dry ether to form substituted aromatic compounds is known as:
Identify 'A' in the following reaction.
Which among the following is vinylic halide?
Identify compound $$\mathrm{Y}$$ in the following reaction. $$\mathrm{C}_2 \mathrm{H}_5 \mathrm{Cl}+\mathrm{Y} \stackrel{\Delta}{\longrightarrow} \mathrm{C}_2 \mathrm{H}_5 \mathrm{CN}$$
Which of the following compounds reacts with $$\mathrm{HBr}$$ to form 1-Bromo-1-methylcyclohexane?
Which among the following is allylic halide?
Which of the following is NOT obtained when a mixture of methyl chloride and n-propyl chloride is treated with sodium metal in dry ether?
Identify the reagent $$\mathrm{A}$$ in the following conversion.
Alkyl halide $$\stackrel{A}{\longrightarrow}$$ Alkyl nitrite
Which among the following compounds is NOT prepared by Sandmeyer's reaction ?
Which among the following compounds undergoes SN$$^2$$ reaction fastly ?
What is the intermediate compound formed when chlorobenzene is treated with fused $$\mathrm{NaOH}$$ under pressure?
Which following statement is true for vinylic halide?
Which among the following is NOT a feature of $$\mathrm{S}_{\mathrm{N}} 1$$ mechanism?
Which among the following is haloalkyne?
Which among the following is benzylic halide?
Which among the following is NOT benzylic halide?
When 2-Chlorobutane is boiled with concentrated alcoholic solution of KOH, the major product formed is
Which among the followings is an allylic halide?
Identify the reagent (A) used in the following reaction.
Identify product '$$\mathrm{B}$$' in following reaction.
$$\mathrm{CH}_3 \mathrm{Br}+\mathrm{AgNO}_2 \longrightarrow \mathrm{A} \xrightarrow{\mathrm{Sn} / \mathrm{HCl}} \mathrm{B}$$
The major product obtained in the following reaction is Chlorobenzene + chlorine $$\xrightarrow[\mathrm{FeCl}_3]{\text { Anhydrous }}$$ product (Major)
The major product obtained in the following reaction is
When tert-butyl bromide is heated with silver fluoride, the major product obtained is
Identify the reagent used in following conversion. Chloroethane $$\stackrel{\mathrm{A}}{\longrightarrow}$$ Nitro ethane
Which of the following is NOT formed when a mixture of methyl bromide and n-propyl bromide is treated with sodium metal in dry ether?
Which of the following reactions is a Wurtz - Fittig reaction?
Chlorobenzene on heating with concentrated HNO$$_3$$ in presence of concentrated H$$_2$$SO$$_4$$ gives
Identify the product formed when tertiary butyl bromide reacts with alcoholic NH$$_3$$ solution?
Which of the following compounds has lower boiling point?
Which of the following reactions is used for the conversion of alkyl chloride to alkyl iodide?
Identify reactant (A) used in the following conversion.
Chlorobenzene $$+\mathrm{A} \underset{\mathrm{AlCl}_3}{\stackrel{\text { anhydrous }}{\longrightarrow}} 1-$$ Chloroacetophenone $$+4 -$$ Chloroacetophenone
Identify '$$\mathrm{A}$$' in the following reaction.
$$A \stackrel{\text { Na/dry ether }}{\longrightarrow}$$ 3,4-diethyl-3,4-dimethylhexane $$+2 \mathrm{NaCl}$$
How many molecules of methyl iodide are required to obtain tetramethyl ammonium iodide from dimethyl amine?
Identify the compound obtained in following reaction?
Which among the following is NOT correct statement about $$\mathrm{S_N1}$$ reaction?
Which of the following is least reactive towards $\mathrm{S}_{\mathrm{N}} 1$ reactions?
What is the name of reaction involving replacement of diazonium group by chloride using cuprous (I) salt ?
Which of the following pairs of aryl halides cannot be prepared directly by electrophilic substitution?
What is correct order of $$C-X$$ bond strength in $$\mathrm{CH}_3-X$$ ?
The reaction $$2 \mathrm{R}-\mathrm{Cl}+\mathrm{CoF}_2 \longrightarrow 2 \mathrm{R}-\mathrm{F}+\mathrm{CoCl}_2$$ is an example of ............... .
Which among the following methods is not suitable for the preparation of alkyl chlorides?
Identify the catalyst $$X$$ used in following reaction.
$$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Br}+2[\mathrm{H}] \xrightarrow{X} \mathrm{CH}_3-\mathrm{CH}_3+\mathrm{HBr}$$
What type of hybridisation is present in carbocation formed during the alkaline hydrolysis of 1 - bromo-1-phenyl ethane?
The correct order of boiling points of alkyl halides is
$\alpha$-chlorosodium acetate on boiling with aqueous sodium nitrite gives
Which reaction is useful in exchange of halogen in alkyl chloride by iodide?
Nitroalkanes are obtained in laboratory from primary or secondary alkyl halides by the action of