The compound formed when malonic ester reacts with urea is:

(1) cinnamic acid

(2) butyric acid

(3) barbituric acid

(4) crotonic acid

Ethylamine reacts with nitrosyl chloride (NOCl) to form:

(1) ethyl chloride

(2) ethyl alcohol

(3) ethyl nitrite

(4) nitroethane

Which compound will liberate CO₂ from NaHCO₃ solution?

(1) CH₃CONH₂

(2) CH₃NH₂

(3) (CH₃)₄N⁺OH^-

(4) CH₃N⁺H₃Cl^-

${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NO}}_2\stackrel{\mathrm{Fe}/\mathrm{HCl}}{\to }\mathrm{A}\underset{273<mspace\; width="1em"></mspace>\mathrm{K}}{\overset{{\mathrm{NaNO}}_2/\mathrm{HCl}}{\to }}\mathrm{B}\underset{283<mspace\; width="1em"></mspace>\mathrm{K}}{\overset{{\mathrm{H}}_2\mathrm{O}}{\to }}\mathrm{C}$ 'C' is 

1. ${\mathrm{C}}_6{\mathrm{H}}_5-\mathrm{OH}$

2. ${\mathrm{C}}_6{\mathrm{H}}_5-{\mathrm{CH}}_2\mathrm{OH}$

3. ${\mathrm{C}}_6{\mathrm{H}}_5-\mathrm{CHO}$

4. ${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NH}}_2$

Identify the product formed from the reaction of nitrobenzene with conc. HNO₃/H₂SO₄ at 80-100°C:
1. 1,4-Dinitrobenzene 
2. 2,4,6-Trinitrobenzene
3. 1,2-Dinitrobenzene 
4. 1,3-Dinitrobenzene

Which of the following compounds is most basic here

1. diphenyl amine

2. dimethyl amine

3. guanidine

4. trimethyl amine

Whose melting point is the highest?

Which reagent is required along with alcoholic KOH and a primary amine to perform the carbylamine test?

1. Trihalogenated methane and A primary amine

2. An alkyl halide and A primary amine 

3. An alkyl cyanide and A primary amine

4. Chloroform and Silver powder 

Hinsberg reagent is 

1. $C_6{H}_{5}NO$

2. $C_6{H}_5{N}_{2}Cl$

3. $C_6{H}_{5}S{O}_{2}Cl$

4. $C_6{H}_{5}S{O}_{3}H$

Which of the following products is formed when acetamide is treated with NaOBr?
 

1. $C{H}_{3}OH$

2. $C{H}_{3}N{H}_2$

3. $C{H}_{3}CN$

4. $C{H}_{3}COBr$
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