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Identify (A) and (B) in the given sequen...

Identify (A) and (B) in the given sequence of reaction `PhCH_(2)CHOoverset(SeO_(2))rarr(A)underset((ii)H^(+))overset((i)"con" OH^(-))rarr(B)`

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ALLEN-ALKENE, ALKANE & ALKYNE -EXERCISE-4[A]
  1. Indicate bonds which are cleaved I: In basic contions II: in acidic ...

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  2. In the following S(N)2 reaction

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  3. Identify (A) and (B) in the given sequence of reaction PhCH(2)CHOovers...

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  4. (a) Distinguish between PhCOEt and p-MeC(6)H(4)COMe by a chemical meth...

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  5. Complete the following equations giving the structures of the major or...

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  6. Give reasons for the following : 'Carbon-oxygen bond lengths in form...

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  7. The second dissociation constant of fumaric acid is greater than malet...

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  8. Which is stronger conjugate base in each pair ? (A) overset(-)OH or ...

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  9. Which acid of each pair shown here would you expect to be stronger ? ...

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  10. What are A and B in the following ?

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  11. In the following reaction, trace the position of isotopic O^(18) CH(...

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  12. Write the reagents to carry out following conversions: CH(3)overset(...

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  13. overset(AlCl(3))rarrA, What is A ?

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  14. +NBStoXundersetunderset("(iii) "H(2)O^(+))("(ii) "CO(2),)overset("(i) ...

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  15. +Br(2)underset(.^(o+)OH)overset(0^(@)C)rarrA Write down the structur...

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  16. Arrange the following in decreasing basic order with proper reasoning.

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  17. Sulphanilic acid is not soluble in organic solvents. Explain ?

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  18. What is the order of basicity of the following compounds ? (i) CH(3)...

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  19. What is the order of basicity of the following compounds? (i) CH(3)N...

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  20. Unlike other aromatic amines, why is the following amine stongly basic...

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