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NEET-XII-Chemistry

exam-2 year:2016

with Solutions - page 2
Qstn# 150 Prvs-QstnNext-Qstn
  • #150
    The correct corresponding order names of four
    aldoses with configuration given below

    respectively, is :-
    (1) L-erythrose, L-threose, D-erythrose, D-threose
    (2) D-erythrose, D-threose, L-erythrose, L-threose
    (3) L-erythrose, L-threose, L-erythrose, D-threose
    (4) D-threose, D-erythrose, L-threose, L-erythrose
    digAnsr:   2
    Ans : (2)
    Sol.
    CHO
    OHH
    OHH
    CH2 OH
    D-Erythrose
    CHO
    HOH
    OHH
    CH2 OH
    D-Threose
    CHO
    HOH
    HOH
    CH2 OH
    L-Erythrose
    CHO
    OHH
    HOH
    CH2 OH
    L-Threose