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Nitrogen detection in an organic compoun...

Nitrogen detection in an organic compound is carried out by Lassaigne’s test. The blue colour formed corresponds to which of the following formulae?

A

`Fe_(3)[Fe(CN)_(6)]_(3)`

B

`Fe_(3)[Fe(CN)_(6)]_(2)`

C

`Fe_(4)[Fe(CN)_(6)]_(3)`

D

`Fe_(4)[Fe(CN)_(6)]_(2)`

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AAKASH INSTITUTE-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES AND TECHNIQUES -Assignment(SECTION C)
  1. Which of the following species is not electrophilic in nature ?

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  2. The IUPAC name of the compound CH(3)CH=CHC-=CH is

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  3. The IUPAC name of the compound having the formula CH-=C-CH=CH(2) is

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  4. Which of the following compounds will exhibit cis-trans (geometrical )...

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  5. In the hydrocarbon CH(3)-CH = CH-CH(2) -C = CH The state of hybridizat...

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  6. Acidic strength of (a) H(3)CH (b) H(2)C = CH2 (c ) H-C-=C...

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  7. The general molecular formula, which represents the homologous series ...

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  8. The correct order regarding the electronegativity of hybrid orbitals o...

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  9. Which one of the following pairs represent stereoisomerism?

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  10. The best method for the separation of naphthalene and benzoic acid fro...

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  11. The correct order of increasing bond length of C - H ,C - O, C - C and...

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  12. Homolytic fission of the following alkanes forms free radicals CH(3) -...

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  13. Nitrogen detection in an organic compound is carried out by Lassaigne’...

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  14. An organic compound contains carbon, hydrogen and oxygen. Its elementa...

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  15. The number of structural isomers in C(4)H(10)O will be

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  16. The IUPAC name of (CH(3))(2)CH-CH(2)-CH(2)Br is

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  17. Tautomerism is exhibited by

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  18. Which of the following is correct regarding the -I-effect of the subst...

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  19. Increasing order of electrophilic substitution for following compounds...

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  20. IUPAC name of the following is CH(2) = C - CH(2)-CH(2) - C -= CH

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