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2,3- Dibromobentane has two stereogenic ...

2,3- Dibromobentane has two stereogenic centres, but it has only 3 isomers. Why?

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AAKASH SERIES-GENERAL ORGANIC CHEMISTRY-QUESTIONS FOR DESCRIPTIVE ANSWERS
  1. Write the structures of the following compounds: 2-Amino - 3 - methylb...

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  2. What are the common names of the following compounds ? CH(2)=C=CH(2...

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  3. An alkane has molecular mass 86. What is the molecular formula of the ...

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  4. Identify molecules containing chirality centre among the following : s...

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  5. Assign E and Z configuration to the following structures :

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  6. Assign priority number to each of the following groups: (a) -CHO, -O...

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  7. Why is nitric acid added to sodium extract before adding silver nitrat...

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  8. For the following cyclic compounds, write down the bond line formulae ...

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  9. Identify correct IUPAC names among the following pairs. (i) 2,2 - Di...

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  10. Give the IUPAC names of the following compounds: (CH(3))(2)CH-CO-COOH,...

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  11. Write the common and IUPAC of the compound : (CH(3))(2)C-CH(2)CH(2)CH...

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  12. Write the common name and of the compoun CH(2)=CH-CH(2)-Br.

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  13. How many cyclic isomeric structures are possible for C(3)H(6)O?

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  14. Give two structural isomers of C(3)H(4)Br(2) Which can exhibit geometr...

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  15. Explain the relationship between the members of following pair of stru...

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  16. Differentiate between the principal of estimation of nitrogen in an or...

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  17. Name a suitable technique of separation of the components from a mixtu...

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  18. Why is it necessary to use acid and not sulphuric acid for acidificati...

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  19. Write the structure of iso-butyric acid and arcilonitrile molecules.

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  20. 2,3- Dibromobentane has two stereogenic centres, but it has only 3 iso...

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