Tests of Alcohols

IMPORTANT

Tests of Alcohols: Overview

This topic covers concepts such as Methods to Distinguish Primary, Secondary and Tertiary Alcohols, Lucas Test, Victor Meyer's Test, Some Other Tests of Alcohols, and Iodoform Test.

Important Questions on Tests of Alcohols

MEDIUM
IMPORTANT

The chemical tests used to distinguish between compounds in the following pairs of substances are

(i) Ethanal and propanal

(ii) Benzoic acid and ethyl benzoate

HARD
IMPORTANT

Among the following the one that gives positive iodoform test depend upon reaction with   I 2 and NaOH is –

EASY
IMPORTANT

Which of the following method may be used to distinguish between primary, secondary and tertiary alcohols?

MEDIUM
IMPORTANT

Lucas test is used for the determination of _______

MEDIUM
IMPORTANT

The alcohol that produces turbidity immediately with Lucas reagent at room temperature is

MEDIUM
IMPORTANT

Which of the following reacts fastest with a mixture of anhydrous ZnCl2 and concentrated HCl?

EASY
IMPORTANT

Match the following

  Column I   Column II
(A) Lucas reagent (I) SnCl2+HCl,H3O+
(B) Clemmensen reagent (II) AgNH32+
(C) Tollens'reagent (III) Anhydrous ZnCl2 conc. HCl
(D) Stephen reaction (IV) Zn-Hg conc. HCl
    (V) C6H5SO2Cl

EASY
IMPORTANT

When Lucas reagent reacts with benzyl alcohol, which mechanism is followed?

EASY
IMPORTANT

Alcoholii AgNO2i l2/Red PA Compound A does not react with HNO2 and gives a colourless solution with NaOH. Degree of the alcohol taken initially

MEDIUM
IMPORTANT

Which of the following molecules does not undergo lodoform reaction

HARD
IMPORTANT

Identify pair of compounds which can be distinguished by iodoform test?

MEDIUM
IMPORTANT

Among the following, which one give iodoform test?

MEDIUM
IMPORTANT

Which of the following molecules does not undergo lodoform reaction?

MEDIUM
IMPORTANT

How many alcohols give immediate turbidity on heating with luca's Reagent?

Question Image

EASY
IMPORTANT

Which of the following compound can not give iodoform test :-

EASY
IMPORTANT

Which of the following reagents will not convert Ethanol into Ethylchloride ?

HARD
IMPORTANT

1° and 2° alcohol distinguish by which test?

MEDIUM
IMPORTANT

Which of the following alcohol will give immediate turbidity at room temperature when reacts with lucas reagent :-

MEDIUM
IMPORTANT

Which of the following alcohol will yield the corresponding alkyl chloride on reaction with concentrated HCl and ZnCl2 at room temperature:-

EASY
IMPORTANT

Which of the following will not give iodo form test :-