JEE Main 2023 (Online) 8th April Evening Shift | Haloalkanes and Haloarenes Question 33 | Chemistry

JEE Main 2023 (Online) 8th April Evening Shift

MCQ (Single Correct Answer)

-1

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

JEE Main 2023 (Online) 8th April Evening Shift Chemistry - Haloalkanes and Haloarenes Question 29 English

Choose the correct answer from the options given below:

$$\mathrm{C}>\mathrm{A}>\mathrm{D}>\mathrm{B}$$

$$\mathrm{D}>\mathrm{B}>\mathrm{A}>\mathrm{C}$$

$$\mathrm{A}>\mathrm{B}>\mathrm{D}>\mathrm{C}$$

$$\mathrm{D}>\mathrm{C}>\mathrm{B}>\mathrm{A}$$

JEE Main 2023 (Online) 8th April Morning Shift

MCQ (Single Correct Answer)

-1

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

JEE Main 2023 (Online) 8th April Morning Shift Chemistry - Haloalkanes and Haloarenes Question 27 English

$$\mathrm{A}-\mathrm{Br}_{(\mathrm{b})} ; \mathrm{B}-\mathrm{I}_{(\mathrm{a})} ; \mathrm{C}-\mathrm{Br}_{(\mathrm{a})} ; \mathrm{D}-\mathrm{Br}_{(\mathrm{a})}$$

$$\mathrm{A}-\mathrm{Br}_{(\mathrm{a})} ; \mathrm{B}-\mathrm{I}_{(\mathrm{a})} ; \mathrm{C}-\mathrm{Br}_{(\mathrm{a})} ; \mathrm{D}-\mathrm{Br}_{(\mathrm{a})}$$

$$\mathrm{A}-\mathrm{Br}_{(b)} ; \mathrm{B}-\mathrm{I}_{(b)} ; \mathrm{C}-\mathrm{Br}_{(b)} ; \mathrm{D}-\mathrm{Br}_{(\mathrm{b})}$$

$$\mathrm{A}-\mathrm{Br}_{(\mathrm{a})} ; \mathrm{B}-\mathrm{I}_{(\mathrm{a})} ; \mathrm{C}-\mathrm{Br}_{(b)} ; \mathrm{D}-\mathrm{Br}_{(\mathrm{a})}$$

JEE Main 2023 (Online) 6th April Morning Shift

MCQ (Single Correct Answer)

-1

For the reaction

JEE Main 2023 (Online) 6th April Morning Shift Chemistry - Haloalkanes and Haloarenes Question 26 English

The correct statement is

The solvent used in the reaction solvates the ions formed in rate determining step.

Br$$^-$$ can act as competing nucleophile.

The reaction can occur in acetic acid also.

The transition state formed in the above reaction is less polar than the localised anion.

JEE Main 2023 (Online) 31st January Evening Shift

MCQ (Single Correct Answer)

-1

In the following halogenated organic compounds, the one with the maximum number of chlorine atoms in its structure is :

Gammaxene

Chloropicrin

Chloral

Freon-12

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