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What is the condition of achirality?...

What is the condition of achirality?

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A molecule having a plane of symmetry or a centre of symmetry is superimposable on its mirror image and is achiral.
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ICSE-HALOALKANES AND HALOARENES -EXERCISE (PART - II DESCRIPTIVE QUESTIONS) (VERY SHORT ANSWER QUESTIONS)
  1. What is meant by centre of symmetry?

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  2. What is meant by n-fold axis of symmetry?

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  3. What is the condition of achirality?

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  4. What is meant by chirality of molecules ?

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  5. Name the instrument used for measuring specific rotation.

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  6. Identify chiral and achiral molecules in each of the following pairs o...

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  7. Identify chiral and achiral molecules in each of the following pairs o...

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  8. Identify chiral and achiral molecules in each of the following pairs o...

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  9. An alkyl halide having molecular formula C4H9Cl is optically active. ...

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  10. Identify and indicate the presence of chirality, if any in the followi...

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  11. Draw the structural isomer of C3H6Cl2 which can exhibit optical isomer...

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  12. What is meant by racemic mixture ?

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  13. What is meant by resolution?

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  14. Substance A is 1:1 mixture of two compounds I and II: Will the m...

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  15. Arrange the following in the order of their increasing reactivity in n...

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  16. Identify A and B in the CH3CH2 CH2Br overset("alc. KOH")to A overset(H...

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  17. Identify A and B in the CH3Br + Mg ("ether") to A overset(H2O)toB.

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  18. Give reasons: iodoform is obtained by the reaction of acetone with h...

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  19. RCI is treated with Li in ether solution to form R-Li. R-Li reacts wit...

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  20. Arrange the following compounds in order of increasing reactivity towa...

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