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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. A: CH(3)overset(O)overset(||)C Cl B: CH(3)overset(O)overset(||)CH (Ros...

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  2. When the compound shown was heated in refluxing hydrochloric acid, a c...

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

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

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

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  6. reacts with : gamma-Butyroactone (ester) What are the producut in ...

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  7. In case aldehydes and ketones there is addition of nucleophile but in ...

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

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  9. What happens when ? (i)

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  10. Complete the following sequence of reactions : underset(Delta)overs...

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

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

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

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

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  15. Give structures of (A),(B),(X),(Y) in the given scheme of reactions, i...

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  16. Explain the mechanism of the following change :

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

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  18. The number of isomeric amines possible for the formula C(3)H(9)N

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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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