Cyanoform is a _____ acid than chloroform.
1. Weaker
2. Neutral
3. Stronger
4. Both acidic and basic
Which of the following is most reactive to electrophilic substitution?
1. | Nitrobenzene | 2. | Aniline |
3. | Aniline hydrochloric | 4. | n-Acetylaniline |
Which of the following amines doesn't give the carbylamine reaction?
1. | Ethylamine | 2. | Dimethylamine |
3. | Methylamine | 4. | Phenylamine |
The reagent that is used to change nitromethane into methylhydroxylamine is:
1.
2.
3.
4.
Whose melting point is the highest?
1. | Primary amines | 2. | Secondary amines |
3. | Tertiary amines | 4. | Quaternary amines |
When is reduced with Sn / HCl, the pair of products formed is :
1. Ethanol, hydroxylamine hydrochloride
2. Ethanol, ammonium hydroxide
3. Ethanol, NH2OH
4. \(C_3H_5NH_2, H_2O\)
Which amine gives the carbylamine test?
1. | 2. | ||
3. | 4. |
Which of the following bases is the strongest in an aqueous medium?
1. CH3NH2
2. NCCH2NH2
3. (CH3)2NH
4. C6H5NHCH3
The reagent among the following that does not reduce an aryl nitro compound to an amine is:
1. H2(excess) / Pt
2. LiAlH4 in ether
3. Fe and HCI
4. Sn and HCI
The most effective reagent among the following to convert 2-phenylpropanamide into 2-phenylpropanamine is:
1. | Excess H2 |
2. | Br2 in aqueous NaOH |
3. | Iodine in the presence of phosphorus |
4. | LiAlH4 in ether |