Tamika Demiyah
Quiz by , created more than 1 year ago

Week 7

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Tamika Demiyah
Created by Tamika Demiyah over 4 years ago
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Optical Isomerism

Optical Isomerism

Question 1 of 8

1

Chiral molecules are ...

Select one or more of the following:

  • mirror images & superimposable

  • mirror images & nonsuperimposable

  • not mirror images & superimposable

  • not mirror images & nonsuperimposable

Explanation

Question 2 of 8

1

Select from the dropdown lists to complete the text.

Chirality is a ( property, relationship, molecule ) and enantiomerism is a ( property, relationship, molecule ). A molecule is said to be ( chiral, enantiomer, achiral ) and its mirror images are called a pair of ( isomers, enantiomers, stereoisomers ).

Explanation

Question 3 of 8

1

Fill the blank spaces to complete the text.

For chirality, the central atom must have different groups attached.

Explanation

Question 4 of 8

1

For a molecule with n stereocentres, the maximum number of stereoisomers is

Select one of the following:

  • 2^2n

  • 2^(n+2)

  • 2^n

  • 2^(n-2)

Explanation

Question 5 of 8

1

Molecules with a plane of symmetry are chiral

Select one of the following:

  • True
  • False

Explanation

Question 6 of 8

1

A compound is called (+) if it rotates the plane of light .
A compound is called (-) if it rotates the plane of light .

Drag and drop to complete the text.

    dextrorotatory
    clockwise
    levorotatory
    anticlockwise

Explanation

Question 7 of 8

1

The overall rotation of the plane of light through a racemic mixture is

Select one of the following:

  • 180 degrees clockwise

  • 180 degrees anticlockwise

  • 90 degrees clockwise than 90 degrees anticlockwise

  • no rotation

Explanation

Question 8 of 8

1

Fill the blank spaces to complete the text.

The priorities is based on the and is used to assign R,S configuration to .

Explanation

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