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Out of water and benzene, which can be u...

Out of water and benzene, which can be used to purify benzoic acid containing naphthalene by fractional erystallisation?

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Water (because both are soluble in benzene).
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CHHAYA PUBLICATION-ORGANIC CHEMISTRY : BASIC PRINCIPLES AND TECHNIQUES -WARM UP EXERICSE
  1. Out of water and benzene, which can be used to purify benzoic acid con...

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  2. The valency of carbon if four even though its electronic configuratio...

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  3. No organic compound is known in which C^(4+)orC^(4-) ion exists - expl...

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  4. What is the angle between any two adjacent valencies (bond) in the tet...

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  5. Why are the four C - CI bonds inCCI(4) equivalent?.

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  6. Mention the angles between two sp^(3), sp^(2) and sp orbitals.

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  7. Mention the state of hybridisation of the starred (**) carbon atoms ...

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  8. How many sigma and pi - bonds are present in each of the following mol...

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  9. Which atoms in each of the following molecules remain in the same pla...

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  10. Which atoms in each of the following molecules lie in the same line a...

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  11. For what type of hybridisation of carbon atom an orgainc molecule pos...

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  12. A pi - bond is weaker and more reactive than a sigma - bond. Why?

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  13. Arrange sp, sp^(2), sp^(3) hybrid orbitals in order of their increasi...

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  14. What is the shape of each of the given compounds? (i) H(2)C = O (i...

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  15. Arrange C(sp)-H,C(sp^(3))-HandC(sp^(3))-H sigma - bonds in order of in...

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  16. Arrange C(sp) - C(Sp), C(sp^(2))andC(sp^(3))-C(sp^(3)) sigma - and exp...

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  17. Write down the bond - line structural formula of (i) 2 - methylbut...

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  18. Which is the correct bond - line structural formula into CH(3)CHd(2)C-...

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  19. Expand each of the following condensed formula into their complete str...

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  20. Write down the condensed structural formula and bond - line structura...

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  21. Expand each of the following bond - line formulas to show all the ato...

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