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What are A and B in the following ?...

What are A and B in the following ?

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The correct Answer is:
(A) `(##ALN_CHM_C09(II)_E01_767_A01##)` (`NaBH_(4)` reduces keto group)
(B) `(##ALN_CHM_C09(II)_E01_767_A02##)` (by interamolecular esterification)
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ALLEN-ALKENE, ALKANE & ALKYNE -EXERCISE-4[A]
  1. Give reasons for the following : 'Carbon-oxygen bond lengths in form...

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  2. Assertion:- pKa(1) of fumaric acid is greater than maleic acid. Reas...

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

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

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  5. What are A and B in the following ?

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

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

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  9. What are X and Y ?

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  10. Write down the structure of A? What is the use of A ?

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

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  12. Sulphanilic acid is a/an:

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

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

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

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  16. In this compound which site acts as an acid and which as a base ?

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  17. Alkyl cyanides (CH(3)CN) when treated with hydrogen in presence of P...

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  18. Write the compound (A) and (B) formed in this

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  19. Identify the stronger base in each of the following pairs : (i) CH(3...

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  20. In the reaction, C(6)H(5)NH(2)underset(0-5^(@)C)overset(NaNO(2)+HCl)...

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