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Which has greater resonance stabilisati...

Which has greater resonance stabilisation `-Phoverset(* *)(N)H_(2) or Phoverset(oplus)(N)H_(3)`?

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The correct Answer is:
`PhNH_(2)`
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The correct order of stability of (CH_(3))_(2)overset(oplus)(C)H(I),CH_(3)overset(oplus)(C)HOCH_(3)(II)andCICH_(2)overset(oplus)(C)HCH_(3) is-

Arrange in order of decreasing basic strenght and show reasons CH_(3)-CH=overset(* *)(N)H,CH_(3)-C-=overset(* *)(N),CH_(3)-overset(* *)(N)H_(2)

Which of the carbocations is the most stable? (i) CH_(3)CH_(2)overset(oplus)(C)H_(2) (ii) CH_(2)=CH-overset(oplus)(C)H_(2) (iii) C_(6)H_(5)overset(oplus)(C)H_2 (iv) All are equally stable.

Order of stability of the carbocations: ph_(2)overset(oplus)(C)CH_(2)Me(I), " " phCH_(2)CH_(2)overset(oplus)(C)Hph(II), " " ph_(2)CHoverset(oplus)(C)HMe(III)and ph_(2)C(Me)overset(oplus)(C)H_(2)(IV) is-

Arrange the following ions in order of increasing basicity and explain the order: CH_(3)overset(oplus)(C)H_(2)(I), " " CH-=overset(oplus)(C)(II), " " CH_(2)=overset(oplus)(C)H(III)

Which is the most stable carbocation having formula, overset(oplus)(C)_(4)H_(9) ?

Which N - atom of guanidine (H_(2)overset(* *)(N)-overset(overset(* *)NH_(2))overset(|)(C)=overset(* *)(N)H) is more basic and why?

Within the list shown below, the correct pair of structures of alanine in the pH ranges 2-4and 9-11 is- (i) H_(3) overset(oplus)(N) - CH (CH_(3)) COOH (ii) H_(2)NCH (CH_(3))COoverset(Θ)O (iii) H_(3) overset(oplus)(N) - CH (CH_(3)) CO overset(Θ)O (iv) H_(2) HCH (CH_(3))COOH

Which out of CH_(3)CH_(2)overset(* *)(N)H_(2)andCH_(3)COoverset(* *)(N)H_(2) is more basic and why?

CHHAYA PUBLICATION-ORGANIC CHEMISTRY : BASIC PRINCIPLES AND TECHNIQUES -VERY SHORT - TYPE QUESTION
  1. Calculate the number of sigma and pi - bonds in the molecule, CH(3)CH=...

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  2. What are the possible values of n if CH(2) = (C )(n) = CH(2) is a no...

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  3. What are the possible values of n if CH(2) = (C )(n) = CH(2) is a no...

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  4. Write the structure of a hydrocabon molecule which contanis one 4^(@) ...

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  5. Give example of a compound which contanis primary (1^(@)), secondary (...

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  6. How many alkyl groups can be derived from the alkane, CH(3)(CH(2))(3)C...

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  7. Write the group prefix used for the - COOH group.

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  8. Write the IUPAC name. -CH(CH(3))CH(2)C(C(2)H(5))CH(2)CH(3)

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  9. Write the IUPAC name: CH(2) = CH - CH = CH - C -= CH

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  10. Write the structure and name of an alkane having five C - atoms which...

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  11. Write structures of two compounds which are metamers as well as posito...

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  12. Give example of a carbonyl compound in which tautomerism does not take...

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  13. Give example of a 3^(@) free radical containing six hyperconjugable h...

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  14. Which is the most stable carbocation having formula, overset(oplus)(C)...

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  15. Which has greater resonance stabilisation -Phoverset(* *)(N)H(2) or P...

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  16. Write the name of a cyclic compound which is isomeric with but - 1 - e...

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  17. Write names of two non - polar solvents which are commonly employed fo...

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  18. What type of furnace is used in the Carius method for the estimation ...

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  19. Mention the type of chromatography in which both the mobile and statio...

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  20. With the help of which type of distillation process glycerol can be p...

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