1.

The correct corresponding order of names of four aldoses with configuration given below respectively, is

Answer»

L-erythrose, L- threose, D- erythrose, D-threose
D-threose, D-erythose, L- threose, L- erythrose
L-erythrose, L-threose, D- erythrose, D-threose
D- erythrose, D-threose, L- erythrose, L- threose

Solution :The structure of an aldotetrose is
`HOCH_(2) (CHOH)_(2) CH_(2) OH`
It contains two different ASYMMETRIC `C` ATOMS RESULTING into two PAIRS of enantiomers (four optical isomess):


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