2-Bromopentane reacts with alcoholic KOH to give-

  • Cis-2-Pentene

  • Trans-2-Pentene

  • 1-Pentene

  • None of the above

Isopropyl chloride undergoes hydrolysis by -

  •  SN1 and SN2 mechanisms

  • Neither SN1 nor SN2 mechanisms

  • 3, SN1 mechanism only

  •  SN2 mechanism only

Chloroform is slowly oxidized by air in the presence of light and air to form

  • Phosgene

  • Formyl chloride

  • fFormaldehyde

  • Trichloroethanol

Isobutyl bromide may be obtained from isobutylene and HBr in the presence of

  • Hydroquinone

  • Diphenylamine

  • Peroxide

  • All of the above 

The reaction  of 4-bromobenzyl chloride with NaCN in ethanol leads to-

  • 4-Bromo-2-cyanobenzyl chloride

  •  4-Cyanobenzyl cyanide

  •  4-Cyanobenzyl chloride

  •  4-Bromobenzyl cyanide

Propene upon heating with Cl2 at 500oC forms -

  •  CH3-CHCl-CH2Cl

  •  CH2Cl-CH=CH2

  •  CH2Cl-CHCl-CH2Cl

  • All of the above

2-Bromopentane is heated with KOH in ethanol. The major product obtained is-

  • 2-Ethoxypentane

  • 1-Pentane

  • cis-2-Pentane

  • trans-2-Pentene

Ethyl bromide reacts with lead-sodium alloy to form

  • tetramethyl bromide

  • tetraethyl lead

  • both (1.) and (2.)

  • none of these

Butanenitrile is formed by the reaction of KCN with -

  • Butyl chloride

  • Propyl chloride

  • Butyl alcohol

  • Propyl alcohol

A molecule among the following having the highest melting point is -

  • Chlorobenzene

  • o-Dichlorobenzene

  • m-Dichlorobenzene

  • p-Dichlorobenzene

Toluene refluxed with Br2 in the presence of light generate mainly -

  • p-Bromotoluene

  • Benzyl bromide

  • o-Bromotoluene

  • Mixture of o- and p-bromotoluene

Chloroform when reacts with nitric acid, gives

  •  C2H5C(NO)5SH

  •  (CH3)2CHOH

  •  CCl3NO2

  •  CCl3NO3

On sulphonation of C6H5Cl, the product obtained is-

  • m-Chlorobenzene sulphonic acid is formed

  • Benzene sulphonic acid is formed

  • o-Chlorobenzene sulphonic acid is formed

  • o-and p-Chlorobenzene sulphonic acid is formed

Toluene on reaction with N-Bromosuccinimide gives

  • Phenyl bromomethane

  • o-Bromomethyl benzene

  • p-Bromomethyl benzene

  • m-Bromomethyl benzene

The IUPAC name of p-ClC6H4CH2CH(CH3)2 is -

 

  •  1−Chloro−4−(2−methylpropyl) benzene

  • 4−Chloro−1−(2−methylpropyl) benzene

  •  1−Chloro−4−(3−methylpropyl) benzene

  • 4−Chloro−4−(3−methylpropyl) benzene

The IUPAC name of CH3C(p-ClC6H4)2CH(Br)CH3 is -

  •  2−Bromo−3,3−bis(4−chlorophenyl) butane

  • 4−Bromo−3,3−bis(2−chlorophenyl) butane

  •  2−Bromo−1,1−bis(4−chlorophenyl) butane

  • 4−Bromo−1,1−bis(2−chlorophenyl) butane

 

The correct IUPAC name of the above-mentioned compound is -

  •  1−Chloro−4−(1−iodophenyl)−3, 3−dimethylbut−1−ene

  •  1−Chloro−1−(4−iodophenyl)−3, 3−dimethylbut−1−ene

  •  1−Chloro−2−(3−iodophenyl)−3, 3−dimethylbut−1−ene

  • 4−Chloro−1−(1−iodophenyl)−1, 1−dimethylbut−3−ene

The number of structural isomers possible for the compound with the formula C4H9Br, is-

  • 6

  • 4

  • 2

n-BuBr + KCN EtOH -H2O nBuCN

Above reaction is an example of -

  • Addition reaction 

  •  SN1

  • Elimination reaction

  •  SN2

Match the compounds given in Column I with the effect given in Column II.

Column l

Column lI

A. Chloramphenical

1. Malaria

B. Thyroxine

2. Anaesthetic

C. Chloroquine

3. Typhoid fever

D. Chloroform

4. Goiter

5. Blood substituent


Codes

          A          B          C           D

  •        2          3           4           1

  •        3          4           1           2

  •        5          4           3           2

  •        4          5           3           2

Match the items of Column I and Column II

Column l

Column ll

A. SN1 reaction 

1. vic-dibromide

B. Elimination of HX from an alkyl halide 2. Chlorobromocarbons

C. Bromination  of alkenes 

3. Racemisation

D. Chemicals in fire extinguisher 

4. Saytzeff rule 

Codes

          A         B          C           D

  •        2          3           4           1

  •        3          4           1           2

  •        1          4           3           2

  •        4          1           3           2

Match the structures of compounds given in Column I with the classes of compounds given in Column II.

Column l 

Column ll

A.                  

1. Aryl halide

B. 

2. Alkyl halide

C. 

3. Vinyl halide

D. 

4. Allylic halide

Codes

          A         B          C           D

  •        2          4           1           3

  •        3          4           1           2

  •        1          4           3           2

  •        4          1           3           2

Match the reactions given in Column I with the types of reactions given in column II

COLUMN I

COLUMN II

1. Nucleophilic
aromatic
substitution
reaction

2. Electrophilic
aromatic
substitution

3. Saytzeff
elimination 

4. Electropillic
addition 

5. Nucleophilic
substitution
reaction

Codes

          A          B          C           D          

  •        2          4           5           1         

  •        3          1           5           2          

  •        5          4           3           2          

  •        4          5           3           2          

Match the reactions given in Column I with the names given in Column

COLUMN I

D. C2H5Cl + NaI dry acetoneC2H5I + NaCl

 

COLUMN II

1. Fittig reaction

2. wurtz-Fittig reaction 

3. Finkelstein reaction

4. Sandmeyer reaction

Codes

          A         B          C           D

 

  •        2          1           4           3

  •        3          1           5           2

  •        5          4           3           2

  •        4          5           3           2

Assertion: Phosphorus chlorides (tri and Penta) are preferred over thionyl chloride for the preparation of alkyl chlorides from alcohols.

Reason: Phosphorus chlorides give pure alkyl halides.

  •   Both assertion and reason are true and the reason is the correct explanation of assertion.

  •   Both assertion and reason are true and the reason is not the correct explanation of assertion.

  •   Assertion is true but the reason is false.

  •   Assertion and reason both are false. 

Assertion: The boiling points of alkyl halides decrease in the order RI> RBr > RCl > RF

Reason: The boiling points of alkyl chlorides, bromides, and iodide are considerably higher than that of the hydrocarbon of comparable molecular mass.

  •   Both assertion and reason are true and the reason is the correct explanation of assertion.

  •   Both assertion and reason are true and the reason is not the correct explanation of assertion.

  •   Assertion is true but the reason is false.

  •   Assertion is false but the reason is true.

Assertion: KCN reacts with methyl chloride to give methyl isocyanide

Reason: CN- is an ambident nucleophile.

  • Both assertion and reason are true and the reason is the correct explanation of assertion.

  • Both assertion and reason are true and the reason is not the correct explanation of assertion.

  • Assertion is true but the reason is false.

  • Assertion is false but the reason is true.

Assertion: The presence of a nitro group at ortho or para position increases the reactivity of haloarenes towards nucleophilic substitution.

Reason: Nitro group, being an electron-withdrawing group decreases the electron density over the benzene ring.

  • Both assertion and reason are true and the reason is the correct explanation of assertion.

  • Both assertion and reason are true and the reason is not the correct explanation of assertion.

  • Assertion is true but the reason is false.

  • Assertion is false but the reason is true.

Assertion: It is difficult to replace chlorine with -OH in chlorobenzene in comparison to that in chloroethane.

Reason: Chlorine carbon (—Cl) bond in chlorobenzene has a partial double bond character due to resonance

  •   Both assertion and reason are true and the reason is the correct explanation of assertion.

  •   Both assertion and reason are true and the reason is not the correct explanation of assertion.

  •   Assertion is true but the reason is false.

  •   Assertion is false but the reason is true.

 Sulphuric acid is not used during the reaction of alcohols with KI and acts as-

  • Reducing agent

  • Electron donor

  • Electron acceptor

  • Oxidising agent

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