Prayas JEE 2.0 (2024) Chemistry Quiz

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12 Questions

Which reaction involves the formation of alkyl fluorides from alkyl chloride or bromides?

Fitting reaction

Which method is NOT used to obtain alkyl halides?

C2H5OH + NaCl

In the Wurtz-Fittig reaction, what molecules undergo condensation?

Two molecules of alkyl-halides

Which set of reagents is used for a particular conversion in organic chemistry?

NaNO2 + HCl (273K) followed by NaBF4//Δ

What is the name of the reaction involving Dry ether, 2Na, and RX to form R-R and 2NaX?

Wurtz reaction

Which reaction is known for the conversion mentioned in the text: RX + 2Na + RX → R-R + 2NaX?

Fittig reaction

In the reaction to convert R-OH to R-Cl, which of the following reagents is most suitable?

PCl5

Which alcohol will show the highest reactivity in the reaction R-OH + HCl + ZnCl2 → R-Cl + H2O?

Butan-2-ol

Which alkyl chloride will give the maximum yield in the reaction R-Cl + NaI → R-I + NaCl in acetone?

| CH3 CH3—CH2—Cl | CH3

To prepare chlorobenzene, aniline can be reacted with which of the following?

Nitrous acid followed by heating with cuprous chloride

Which order correctly represents the reactivity of alcohols in the conversion to alkyl chlorides using HCl and ZnCl2?

t-Butyl alcohol > Butan-2-ol > Propan-1-ol

What is the correct order of ease with which alcohols can be halogenated using HX in the presence of anhydrous ZnCl2?

Tertiary alcohol < secondary alcohol < primary alcohol

Test your knowledge on organic chemistry concepts related to alcohol halogenation and alkyl chloride synthesis. Practice questions on reaction mechanisms and reagents to ace your exams.

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