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Explain: Grignard reagents should be pre...

Explain: Grignard reagents should be prepared under anhydrous conditions.

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For an experiement in Botany, two different plants, plant A and plant B were grown under similar laboratory conditions. Their heigths were measured at the end of each week for 3 weeks. The results are shown by the following graph. How high was Plant A after (i) 2 weeks (ii) 3 weeks?

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ASSAM ACADEMIC CENTRE-Haloalkanes and Haloarenes-Example
  1. Haloalkanes undergo nucleophilic substitutions, wheras haloarenes unde...

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  2. Why chloroform is to be kept in a dark bottle in absence of air?

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  3. Explain: Grignard reagents should be prepared under anhydrous conditio...

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  4. Arrange the following compounds in the decreasing order of reactivity ...

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  5. Arrange the following compounds in the decreasing order of reactivity ...

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  6. An organic compound (A) (molecular formula, C4H8O2) was hydrolysed wit...

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  7. A sweet smelling organic compound (A) is slowly oxidised by air in pre...

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  8. Explain Why: The dipole moment of chlorobenzene is lower than that of ...

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  9. Explain the following terms: optical activity

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  10. Answer the following: Haloalkanes easily dissolve in organic solvents,...

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  11. What is racemic mixture? Give one example.

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  12. Of the two bromoderivaties, C6H5CH(CH3)Br and C6H5CH(C6H5)Br, which on...

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  13. Starting from Grignard reagent, prepare a ketone

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  14. Starting from Grignard reagent, prepare a ketone

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  15. Starting from Grignard reagent, prepare a ketone

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  16. Among the isomeric alkanes of molecular formula C5H12 identify the one...

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  17. Among the isomeric alkanes of molecular formula C5H12 identify the one...

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  18. Among the isomeric alkanes of molecular formula C5H12 identify the one...

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  19. Draw the structures of major monohalo products in each of the followin...

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  20. Arrange each set of compounds in order of increasing boiling points: B...

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