MEDIUM
Earn 100

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?
(a)Tertiary alcohol by
(b)Tertiary alcohol by
(c)Secondary alcohol by
(d)Secondary alcohol by

50% studentsanswered this correctly
Important Questions on Alcohols, Phenols and Ethers
EASY
Among the following, which one cannot be formed as a product under any conditions?

MEDIUM


MEDIUM
The major product of the following reaction is

EASY

EASY

HARD


MEDIUM

MEDIUM
Match the following :
Test/Method | Reagent | ||
(i) | Lucas Test | (a) | |
(ii) | Dumas method | (b) | |
(iii) | Kjeldahl's method | (c) | |
(iv) | Hinsberg Test | (d) | Conc. and |
(e) |

MEDIUM

MEDIUM


EASY

HARD


MEDIUM

HARD


HARD
Two compounds and with same molecular formula undergo Grignard reaction with methylmagnesium bromide to give products and . Products and 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 |
and respectively are

MEDIUM
The products and in the following reaction sequence are

EASY
Which of following alcohols gives white turbidity almost immediately with the Lucas reagent at room temperature?
(i) -Butanol
(ii) tertiary-Butanol
(iii) Benzyl alcohol
(iv) Allylic alcohol

EASY

MEDIUM

MEDIUM
Which of the following reaction(s) can be used for the preparation of alkyl halides?
I.
II.
III.
IV.

