Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

Amines

Short Answer Type

121.

Why the order of boiling of isomeric amines are Primary > Secondary > Tertiary ?

347 Views

122. Give industrial application of diazotization.

302 Views

123.

Write the products of the reaction of

Also write their IUPAC names.

149 Views

124.
Giving a reason, arrange the following amines in order of decreasing basicity.

The correct order is:

The -I effect of F decreases the electron density of N atom and decreasing the basicity of amines. But the -I effect of F decrease as it moves always from the amine group and therefore increases the basicity.

177 Views

125. Write the conjugate acid and conjugate base of:

194 Views

126.

Complete the reaction:
CH₃NH₂ + H₂O →

225 Views

127.

Complete the reaction:
CH₃CHNH₂ + HCl(g) →

198 Views

128.

How will you purify aniline containing non-basic impurities ?

230 Views

Long Answer Type

129.

Write the structure of the isomeric aromatic amines with formula C₇H₉N and give their IUPAC names.

496 Views

Short Answer Type

130. Write chemical equations for the following reactions:
(i) Reaction of ethanolic NH₃ with C₂H₅Cl.

(ii) Ammonolysis of benzyl chloride and reaction of amine so formed with two moles of CH₃l.

1670 Views