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If an organic compound contains both N a...

If an organic compound contains both N and S , the appearance of blood red colour takes place in Lassaignetest due to formation of

A

NaCNS

B

`Fe(SCN)_3`

C

NaSCN

D

`Fe{CN)_2`

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AAKASH INSTITUTE-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES AND TECHNIQUES -Exercise
  1. In which of the following, carbon atom has sextet of electrons?

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  2. The compound which is antiaromatic and least stable is

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  3. Towards catalytic hydrogenation, the least reactive compound is

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  4. Which of the following reaction is an example of beta-elimination?

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  5. Which of the following is aromatic in nature?

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  6. Which of the following statement is true about aromatic compound?

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  7. In which of the following reaction formation of reaction intermediate ...

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  8. Which of the following is not e heterocyclic aromatic compound ?

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  9. CH(3)""^(.)CH(2)CH(2)Cl overset(aq. KOH)(to) CH(3)CH(2)CH(2)OH The rea...

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  10. Which is not an aromatic species?'

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  11. Which of the following is aromatic carbanion?

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  12. If an organic compound contains both N and S , the appearance of blood...

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  13. Layer test is used to detect the presence of

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  14. Kjeldahl's-method for detection of nitrogen in organic compound, canno...

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  15. Carius method is used for the estimation of

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  16. During estimation by Duma's method 2.36 g of an organic compound gave ...

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  17. The estimation of C and H in an compound is done by

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  18. The principle involved in paper chromatography is

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  19. A mixture of naphthalene and benzoic acid can be separated by

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  20. Which of the following compounds will not give Lassaigne's test for ni...

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