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 main product of the following reaction will be:
\(\xrightarrow[]{Br_2,\ \text{heat or light}}\ \text{Product}\)
1. | 2. | ||
3. | 4. |
Select the correct option based on statements below:
Assertion (A): | is more basic than |
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. |