MCQ
The letter ‘$D$’ in carbohydrates represents
  • A
    Its direct synthesis
  • B
    Its dextrorotation
  • C
    Its mutarotation
  • Its configuration

Answer

Correct option: D.
Its configuration
d
$D$ indicate the configuration of carbohydrate. it represents the position of second last - $OH$ group in any carbohydrates. If - $OH$ is present on right side then it is called $D$ type configuration and if it is present on left side then it is called $L$ type configuration.

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