HARD
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Victor Meyer test is not given by

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Important Questions on Alcohols, Phenols and Ethers

MEDIUM
Which of the following will not give iodoform test?
MEDIUM

Which of the following reaction(s) can be used for the preparation of alkyl halides?

I. CH3CH2OH+HClAnhyd. ZnCl2

II. CH3CH2OH+HCl

III. CH33COH+HCl

IV. CH32CHOH+HClAnhyd. ZnCl2

EASY
The compound which does not respond to iodoform test is
EASY
Ceric ammonium nitrate and CHCl3/alc. KOH are used for the identification of functional groups present in _ and _ respectively.
MEDIUM
Which one among the following reaction products gives iodoform test?
MEDIUM
Amongst the following alcohols, the one that would react fastest with conc. HCl and anhydrous ZnCl2 is:
MEDIUM

Which of the following would give iodoform test?

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EASY
Which of the following method may be used to distinguish between primary, secondary and tertiary alcohols?
MEDIUM
An unknown alcohol is treated with the "Lucas reagent" to determine whether the alcohol is primary, secondary or tertiary. Which alcohol reacts fastest and by what mechanism:
EASY

Which of following alcohols gives white turbidity almost immediately with the Lucas reagent at room temperature?

(i) n-Butanol

(ii) tertiary-Butanol

(iii) Benzyl alcohol

(iv) Allylic alcohol

HARD
Match the following
  Column-1
Compound/ reagent
  Column-2
Other name / Chemical / Name of the process
A Methanol I Lucas reagent
B ZnCl2/Conc.HCl II Baeyer's reagent
C Rectified spirit III Wood spirit
D Dil. KMnO4 IV 95% C2H5OH
    V 75% C2H5OH
    VI 90% C3H7OH

The correct match is

HARD

Two compounds A and B with same molecular formula C3H6O undergo Grignard reaction with methylmagnesium bromide to give products C and D. Products C and D show following chemical tests.

Test C D
Ceric ammonium nitrate Test Positive Positive
Lucas Test Turbidity obtained after five minutes Turbidity obtained Immediately
Iodoform Test Positive Negative

C and D respectively are

EASY
A compound that gives positive iodoform test is
MEDIUM

Which of the following substance does not produce Triiodomethane with the mixture of alkali and I2?

MEDIUM
Iodoform is obtained on heating the reaction of I2 and NaOH with
MEDIUM

Match the following :

  Test/Method   Reagent
(i) Lucas Test (a) C6H5SO2Cl/aq. KOH
(ii)  Dumas method (b) HNO3/AgNO3
(iii) Kjeldahl's method (c) CuO/CO3
(iv) Hinsberg Test (d) Conc. HCl and ZnCl2
    (e) H2SO4

 

MEDIUM

Consider the following reaction:

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The product'P'gives positive ceric ammonium nitrate test. This is because of the presence of which of theseOH group(s)?