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GABRIEL PHTHALIMIDE SYNTHESIS

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Preparation OF Amine by (1) from Nitrile ,Isonitrile(2)Amides(3)Nitro Compounds || Gabriel's Phthalimide Systhesis OF Amine

Statement 1: Aryl amines cannot be prepared by Gabriel's phthalimide synthesis and Statement 2: Aromatic halides do not give S_(N)2 reactions.

(a) Account for the following : (i) Direct nitration of aniline yields significant amount of meta derivative. (ii) Primary aromatic cannot be prepared by Gabriel phthalimide synthesis. (b) Carry out the following conversions : (i) Ethanoic acid into methanamine. (ii) Aniline to p-Bromoniline. (c) Arrange the following in increasing order of basic strength : Aniline, p-nitroaniline and p-toludine.

Explain the following reactions : (a) Gabriel Phthalimide reaction (b) Coupling reaction

In the Gabriel's phthalimide synthesis, phthalimide is treated first with :

Consider the following conversion : Amongst the following, how many methods can be used in any one of steps involved in the mentioned conversion? i. Hoffmann bromamide degradation ii. Gabriel phthalimide synthesis iii. Sandmeyer reaction iv. Clemmensen reduction v. Mendius reduction

CBSE COMPLEMENTARY MATERIAL-SOLVED SAMPLE PAPER CBSE DELHI-2018-SAMPLE PAPER
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  5. Shyam went to a grocery shop to purchase some food items. The shopkeep...

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  7. Shyam went to a grocery shop to purchase some food items. The shopkeep...

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  8. Write the cell reaction and caleulate the e.m.f of the following cell ...

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  9. Give reasons: On the basis of E^@ values. O2 gas should be libersted...

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  10. Give reasons: Conductivity of CH3COOH dereases on dilution

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  11. Write the reaticon involved in the Hoffmann bromamide degradation ract...

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  12. Write the reactions involved in the following: Diazotisation

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  13. GABRIEL PHTHALIMIDE SYNTHESIS

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  14. Give reasons (CH3)2 NH is more hasic than (CH3)3N in an aqueous solu...

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  15. Give reasons Aromatic diazonium salts are more stable than sliphatic...

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  16. Give reasons: H3PO3 undergoes disproportionstion reaction but H3PO4 ...

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  17. Give reasons: When Cl2 reacts with excess of F2, CIF3 is formed and ...

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  18. Give reasons: Dioxygen is a gas while Sulphur is a solid at room te...

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  19. Draw the structure of XeF4 molecule.

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  20. Fraw the structures of the following HClO3

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