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An organic compound (A) composed of C, H...

An organic compound `(A)` composed of `C, H,` and `O` gives a characteristic colour with ceric ammonium nitrate. Treatement of `(A)` with `PCl_5` gives `(B)` which reacts with `KCN` to form `( C)`. The reductionof `( C)` with warm `Na//C_2 H_5 OH` produces `(D)` which on heating gives `(E)` with the evolution of ammonia. Pyridine is obtained on treatment of `(E)` with nitrobenzene.

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ALLEN-ALKENE, ALKANE & ALKYNE -EXERCISE-4[B]
  1. Give reasons for the following: (a) Ketones are less electrophilic t...

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  2. Identify A, B and C ?

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  3. Identify A to E

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  4. CH(3)COO^(-) (acetate ion) is more stable than C(2)H(5)O^(-) (ethoxide...

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  5. Which is more reactive in each pair towards S(N) reaction ? (A) CH(3...

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  6. overset(AlCl(2))rarrAunderset(HCl)overset(Zn(Hg))rarrBoverset(SOCl(2))...

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  7. reacts with : gamma-Butyroacetone (ester) What are the product in ...

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  8. The relative reactivites of acyl compounds towards nucleophilic substi...

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  9. (i) What are A & B ? (ii) Which reagent will convert B into A ?

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  10. What happens when ? (i)

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  11. Complete the following sequence of reactions :

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  12. An organic compound (A) composed of C, H, and O gives a characteristic...

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  13. Compound (A) (C(8)H(8)O) on treatment with NH(2)OH.HCl gives (B) and (...

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  14. Two isomeric compounds (A) and (B) have C(4)H(11)N as molecular formul...

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  15. A mixture of two aromatic compounds (A) and (B) separated by dissolvin...

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  16. Explain the mechanism of the following change :

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  17. CH(3)CH(2)underset(O^(-))underset(|)overset(CH(3))overset(|)(N^(o+))-C...

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  18. is the floral formula of :

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  19. Identify A,B,C and D.

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  20. The two amines shown differ by a factor of about 40,000 in their ionis...

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