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Give reasons for the following: (a) Ke...

Give reasons for the following:
(a) Ketones are less electrophilic than aldehydes.
(b) Aldehydes are reducing agents and ketones are not.
(c) HBr fails to give addition products with carbonyl compounds.

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ALLEN-ALKENE, ALKANE & ALKYNE -EXERCISE-4[B]
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  2. The sodium salt of a carboxylic acid (A) was produced by passing a gas...

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  3. Give reasons for the following: (a) Ketones are less electrophilic t...

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  4. Identify A, B and C ?

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  5. Identify A to E

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

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

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

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

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

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

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  12. What happens when ? (i)

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  13. Complete the following sequence of reactions :

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

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

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

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

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  18. Explain the mechanism of the following change :

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

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  20. is the floral formula of :

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