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What is optical rotation ?...

What is optical rotation ?

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The angle through which plane polarized light is rotated by optically active compounds is called optical rotation.
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How is the optical rotation of an optically active compound measured and how is it expressed ?

When either form of D-Glucose is dissolved In water, the solution gradually changes its optical rotation and finally attains a constant optical rotation of +52^(@) . What is the percentage of open chain D-Glucose in solution?

Which of the following have the same value of optical rotation ?

The freshly prepared solution if sugar undergo change in optical rotation , with time , is known as

The change in optical rotation with time of freshly prepared solution of sugar is known as :

When either form of D-Glucose is dissolved In water, the solution gradually changes its optical rotation and finally attains a constant optical rotation of +52^(@) . Which form of D-GIucose is more stable?

When either form of D-Glucose is dissolved In water, the solution gradually changes its optical rotation and finally attains a constant optical rotation of +52^(@) . Which of the following statements, is true?

The optical rotation of the alpha -form of a pyranose is +150.7^(@) , that of the beta -form is +52.8^(@) . In solution an equilibrium mixture of these anomers has an optical rotation of +80.2^(@) . The precentage of the alpha -form in equilibrium mixture is :

What is optical activity ?

ICSE-HALOALKANES AND HALOARENES -EXERCISE (PART - II DESCRIPTIVE QUESTIONS) (VERY SHORT ANSWER QUESTIONS)
  1. Give reagents (inorganic or organic), needed to convert benzyl bromide...

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  2. What is meant by plane polarized light?

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  3. What is optical rotation ?

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  4. Define specific rotation.

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  5. What is meant by chiral or asymmetric carbon?

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  6. What is meant by centre of symmetry?

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

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  8. What is the condition of achirality?

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  9. What is meant by chirality of molecules ?

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  10. Name the instrument used for measuring specific rotation.

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

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

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

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

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

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

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  17. What is meant by racemic mixture ?

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  18. What is meant by resolution?

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

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

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