Question
Write short notes :
Gabriel phthalimide synthesis.

Answer

Gabriel phthalimide synthesis : This is best method of the preparation of aliphatic amine. In this method phthalimide is treated with ethanolic potassium hydroxide forms potassium sort of phthalimide which on heating with alkyl halide followed by alkaline hydrolysis produces the corresponding primary amine aromatic primary amines like aniline can not be prepared easily by this method because the reactivity of aryl halides is less than alkyl halides.
Image

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Identify the metal and justify your answer.
  1. Carbonyl $\ce{M (CO)_5}$
  2. $\ce{MO_3F}$
Aqueous copper sulphate solution and aqueous silver nitrate solution are electrolysed by $1$ ampere current for $10$ minutes in separate electrolytic cells. Will the mass of copper and silver deposited on the cathode be same or different? Explain your answer.
a. Give the structure of all the possible dipeptides formed when the following two amino acids form a peptide bond.
Image
b. Keratin, insulin, and myosin are a few examples of proteins present in the human body. Identify which type of protein is keratin and insulin and differentiate between them based on their physical properties.
Discuss chemical properties of lanthanoids.
Write the equations of the following reactions:
(i) Friedel-Crafts acetylation of benzene.
(ii) Gattermann-Koch aldehyde synthesis.
(iii) Gattermann aldehyde synthesis.
Assign reasons for the following:
The transition metals and many of their compounds act as good catalysts.
What can be inferred from the magnetic moment values of the following complex species?
Example Magnatic Moment $(BM)$
$\ce{K_4[Mn(CN)_6]}$ $2.2$
$\ce{[Fe(H_2O)_6]^{2+}}$ $5.3$
$\ce{K_2[MnCl_4]}$ $5.9$
Although $+3$ oxidation states is the characteristic oxidation state of lanthanoids but cerium shows $+4$ oxidation state also. Why?
A violet compound of manganese $(A)$ decomposes on heating to liberate oxygen and compounds $(B)$ and $(C)$ of manganese are formed. Compound $(C)$ reacts with $\text{KOH}$ in the presence of potassium nitrate to give compound $(B)$. On heating compound $(C)$ with conc. $\ce{H_2SO_4}$ and $\ce{NaCl},$ chlorine gas is liberated and a compound $(D)$ of manganese along with other products is formed. Identify compounds $A$ to $D$ and also explain the reactions involved.
Explain Crystal field splitting in tetrahedral complax.