Among the following the one that gives positive iodoform test depend upon reaction with and NaOH is –
Important Questions on Alcohols, Phenols and Ethers
Which of the following would give iodoform test?
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
Column-1 Compound/ reagent |
Column-2 Other name / Chemical / Name of the process |
||
A | Methanol | I | Lucas reagent |
B | II | Baeyer's reagent | |
C | Rectified spirit | III | Wood spirit |
D | Dil. | IV | |
V | |||
VI |
The correct match is
Consider the following reaction:
The productgives positive ceric ammonium nitrate test. This is because of the presence of which of these group(s)?
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) |
Which of the following reaction(s) can be used for the preparation of alkyl halides?
I.
II.
III.
IV.
What are and compounds?
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