The number of structural isomers possible from the molecular formula C3H9N is?
1. 4
2. 5
3. 2
4. 3
Mark the reaction that does not yield aniline from the given options:
1. | Hydrolysis of phenyl isocyanide with an acidic solution |
2. | Degradation of benzamide with bromine in alkaline solution |
3. | Reduction of nitrobenzene with H2/Pd in ethanol |
4. | Treatment of Potassium salt of phthalimide with chlorobenzene followed by hydrolysis in an aqueous NaOH solution |
What is the name of the following reaction?
1. Friedel-Crafts reaction
2. Perkins reaction
3. Acetylation reaction
4. Schotten-Baumann reaction
1. | |
2. | \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2+\mathrm{HNO}_2 \rightarrow \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}+\mathrm{N}_2 \) |
3. | \(\mathrm{CH}_3 \mathrm{NH}_2+\mathrm{C}_6 \mathrm{H}_5 \mathrm{SO}_2 \mathrm{Cl} \rightarrow \mathrm{CH}_3 \mathrm{NHSO}_2 \mathrm{C}_6 \mathrm{H}_5 \) |
4. | \(\left(\mathrm{CH}_3\right)_2 \mathrm{NH}+\mathrm{NaNO}_2+\mathrm{HCl} \rightarrow\left(\mathrm{CH}_3\right)_2 \mathrm{~N}-\mathrm{N}=\mathrm{O} \) |
Which of the following compounds is most basic?
1. | 2. | ||
3. | 4. |
An organic compound 'A' on treatment with NH3 gives 'B', which on heating gives 'C'. 'C',
when treated with Br2 in the presence of KOH produces ethylamine. Compound 'A' is:
1. | CH3CH2COOH |
2. | CH3COOH |
3. | CH3CH2CH2COOH |
4. |
The reagent that is used to convert acetamide into methyl amine is:
1. NaOH-Br2
2. Soda lime
3. Hot conc. H2SO4
4. PCl5
The incorrect statement among the following regarding the primary amine is:
1. | Alkyl amines are stronger bases than aryl amines |
2. | Alkyl amines react with nitrous acid to produce alcohols |
3. | Aryl amines react with nitrous acid to produce phenols |
4. | Alkyl amines are stronger bases than ammonia |
What is the product formed in the below reaction?
\(+ NaNO_2 + HCl \longrightarrow Product\)
1. | 2. | ||
3. | 4. |
Propanoic acid gives a series of reactions as given below.
The structure of D would be:
1.
2.
3.
4.