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Stereoisomerism

Assertion : D...

Question

Assertion : D-glyceraldehyde is dextro rotatory.
Reason : All dextro rotatory compounds are said to have D-configuration.

A

Assertion and Reason are correct

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B

Assertion is correct Reason are false

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C

Assertion is false Reason are correct

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D

Assertion and Reason are false

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Solution

The correct option is B Assertion is correct Reason are false
All dextro rotatory compounds are said to have an L-configuration.
Dextro rotatory is d or L.
Levoratory is l or D.
'D' and 'L' are based on actual configuration of each enantiomer.

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