If $\alpha-D-(+)$-glucose is dissolved in water and kept for a few hours,the major constituent$(s)$ present in the solution is (are)

  • A
    $\alpha-D-(+)$-glucose
  • B
    mixture of $\beta-D-(+)$-glucose and open chain $D-(+)$-glucose
  • C
    open chain $D-(+)$-glucose
  • D
    mixture of $\alpha-D-(+)$-glucose and $\beta-D-(+)$-glucose

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