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Question

Which wedge - dash structure represents the same compound as that given by the following fischer projection?

A
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B
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C
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D
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Solution

The correct option is A
The structure A represents Fischer projection of a compound. The structures I to IV represents Wedge - Dash Notations for the same compound. The Wedge-Dash Notation I is the correct representation of structure A.
In a fischer projection, the vertical lines are oriented away from you ad the horizontal lines are oriented towards you.
In wedge-Dash notation for three dimensional representation of an organic molecule, the dashed bond represnts a bond below the plane of the paper. The wedged bond represents a bond above the plane of the paper. The remaining two bonds (represented by the solid line) are in the plane of the paper.

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