Which amine gives the carbylamine test?
1. | |
2. | |
3. | |
4. | |
When is reduced with Sn / HCl, the pair of products formed is :
1. Ethanol, hydroxylamine hydrochloride
2. Ethanol, ammonium hydroxide
3. Ethanol, NH2OH
4. \(C_3H_5NH_2, H_2O\)
Whose melting point is the highest?
1. | Primary amines | 2. | Secondary amines |
3. | Tertiary amines | 4. | Quaternary amines |
The reagent that is used to change nitromethane into methylhydroxylamine is:
1.
2.
3.
4.
Which of the following amines doesn't give the carbylamine reaction?
1. | Ethylamine | 2. | Dimethylamine |
3. | Methylamine | 4. | Phenylamine |
Which of the following is most reactive to electrophilic substitution?
1. | Nitrobenzene | 2. | Aniline |
3. | Aniline hydrochloric | 4. | n-Acetylaniline |
Cyanoform is a _____ acid than chloroform.
1. Weaker
2. Neutral
3. Stronger
4. Both acidic and basic
The following reaction is the best method to introduce F to benzene:
The structure of intermediate compound A is:
1. | 2. | |
|
3. | |
4. | |
The structure of the major product in the following reaction will be:
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |
Select the correct option based on the statements below:
Assertion (A): | |
Reason (R): | Delocalization of a lone pair of electrons decreases the basic strength. |
1. | Both (A) and (R) are True and (R) is not the correct explanation of (A). |
2. | (A) is True but (R) is False. |
3. | Both (A) and (R) are True but (R) is the correct explanation of (A). |
4. | Both (A) and (R) are False. |