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C(6)H(5)CONHCH(3) can be converted into ...

`C_(6)H_(5)CONHCH_(3)` can be converted into `C_(6)H_(5)CH_(2)NHCH_(3)` by .

A

`NaBH_(4)`

B

`H_(2)-Pd//C`

C

`LiAIH_(4)`

D

`Zn-Hg//HCI`

Text Solution

Verified by Experts

The correct Answer is:
C

The best reagent to reduce n-substituted amides in lithium aluminium hydride
`C_(6)H_(5)CONHCH_(3)overset(LAH)rarrC_(6)H_(5)underset(2^(@)"amine")(CH_(2)NHCH_(3))` .
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C_(6)H_(5)-CH=CH-CO-CH_(3)

(a) Write the reagent used in the following : C_(6)H_(5)COCH_(3)overset(?)rarr C_(6)H_(5)CH_(12)CH_(3) (b) Arrange the following compounds in increasing order of reactivity towards nucleophilic addition. CH_(3)CHO, C_(6)H_(5)CHO, HCHO

The number of amines having pK_(b) less than C_(6)H_(5)NH_(2) among the following is P-CH_(3) C_(6)H_(5)NH_(2), o-CH_(3)C_(6)H_(4)NH_(2), m-CH_(3)C_(6)H_(4)NH_(2), C_(6)H_(5)N (CH_(3)) _(2), C_(6)H_(5)NHCH_(3), p-NO_(2)C_(6)H_(4)NH_(2), p-CIC_(6)H_(4)NH_(2), C_(6)H_(5)CH_(2)NH_(2)

Give the main products of the reactions : (a) C_(6)H_(6) underset(H_(2)SO_(4))overset(HNO_(3))to (b) C_(6)H_(5)CH_(3) overset(CrO_(2)Cl_(2))to (c) C_(6)H_(5)CH_(2)CH_(2)CH_(3)overset("Alk." KMNO_(4))to (d) C_(6)H_(6)+ Cl_(2) overset ("sunlight")to (e) C_(6)H_(6)+ CH_(3)COOCl overset("Anhyd." AlCl_(3))to

How can we distinguish chemically the following pairs of compounds? (i) CH_(3)CHO and CH_(3)COCH_(3) (ii) CH_(3)CHO and C_(6)H_(5)CHO (iii) C_(6)H_(5)COCH_(3) and C_(6)CH_(5)COC_(6)H_(5) (iv) CH_(3)CHO and CH_(3)CH_(2)CHO

2C_(6)H_(5)CHO overset(NaOH) to C_(6)H_(5)CH_(2)OH + C_(6)H_(5)COONa The similar reaction can take place with which of the following aldehyde?

How will you distinguish between the following ? C_(6)H_(5)-CH = CH-COCH_(3) and C_(6)H_(5)-CH= CH-COCH_(2)CH_(3)

R SHARMA-AMINES-LevelII
  1. In the above sequence II is .

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  2. The following sequence of reactions on A gives

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  3. C(6)H(5)CONHCH(3) can be converted into C(6)H(5)CH(2)NHCH(3) by .

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  4. Which of the following does not reduce Tollens reagent .

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  5. Aromatic nitriles (ArCN) are not prepared by reaction .

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  6. A nitrogen containingg organic compound gave an oily liguid on heating...

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  7. C(6)H(5)NH(2)overset((CH(3)CO)(2)O)rarrXunderset(C CI(4))overset(Br(2)...

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  8. Among the following the weakest base is .

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  9. Nitrobenzene gives N-phenylhydroxylamine by

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  10. Which is formed when (CH(3))NOH is heated?

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  11. An organic compound (A) on reduction gives compound (B) which on treat...

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  12. Which of the following compounds possesses two configurationally stabl...

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  13. When stannous chloride and hydrochloric acid are used as the reducing ...

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  14. The reation of RCONH(2) with a mixture of Br(2) and aqueous KOH gives ...

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  15. Consider the following sequence of reactions The product t(C ) cont...

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  16. Consider the following sequence of reactions The final product (B) is ...

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  17. Consider the following sequence of reactions (CH(3))(2)CHCOOHunderse...

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  18. Which of the following is least reactive toward complex formation with...

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  19. The product formed in the reaction .

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  20. Diazonium salts form phenylhydrazines when reduced with zinc and hyd...

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