Science (English Medium) इयत्ता १२ - CBSE Question Bank Solutions

How will you convert methanamine into ethanamine?

How will you convert nitromethane into dimethylamine?

How will you convert propanoic acid into ethanoic acid?

Accomplish the following conversion:

Benzoic acid to aniline

Accomplish the following conversion:

Aniline to 2, 4, 6-tribromofluorobenzene

Accomplish the following conversion:

Chlorobenzene to p-chloroaniline

Accomplish the following conversion:

Aniline to benzyl alcohol

An aromatic compound ‘A’ on treatment with aqueous ammonia and heating forms compound ‘B’ which on heating with Br₂ and KOH forms a compound ‘C’ of molecular formula C₆H₇N. Write the structures and IUPAC names of compounds A, B and C.

Complete the following reaction:

\[\ce{C6H5NH2 + H2SO4 (conc.)}\]

Complete the following reaction:

\[\ce{C6H5N2Cl + C2H5OH ->}\]

Complete the following reaction:

\[\ce{C6H5NH2 + Br2 (aq) ->}\]

Complete the following reaction:

\[\ce{C6H5NH2 + (CH3CO)2O ->}\]

Complete the following reaction:

\[\ce{C6H5N2Cl ->[(i) HBF4][(ii) NaNO2/Cu, \Delta]}\]

Write the structure of the following compound:

α-Methoxypropionaldehyde

Write the structure of the following compound:

3-Hydroxybutanal

Write the structure of the following compound:

2-Hydroxycyclopentane carbaldehyde

Write the structure of the following compound:

4-Oxopentanal

Write the structure of the following compound:

Di-sec-butyl ketone

Write the structure of the following compound:

4-Fluoroacetophenone

Write the structure of the product of the following reaction:

\[\ce{(C6H5CH2)2 Cd + 2 CH3COCl ->}\]