The correct corresponding order of names of f | vedclass

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(D) In a Fischer projection,the $D/L$ configuration is determined by the $-OH$ group on the chiral carbon furthest from the aldehyde group (the lowest

Vedclass · Accepted Answer

$D$-erythrose,$D$-threose,$L$-erythrose,$L$-threose

Vedclass · Answer

(D) In a Fischer projection,the $D/L$ configuration is determined by the $-OH$ group on the chiral carbon furthest from the aldehyde group (the lowest chiral carbon).If the $-OH$ is on the right,it is $D$; if on the left,it is $L$.$(1)$ $D$-erythrose: Both $-OH$ groups are on the same side (right).$(2)$ $D$-threose: $-OH$ groups are on opposite sides,with the bottom $-OH$ on the right.$(3)$ $L$-erythrose: Both $-OH$ groups are on the same side (left).$(4)$ $L$-threose: $-OH$ groups are on opposite sides,with the bottom $-OH$ on the left.Thus,the correct order is $D$-erythrose,$D$-threose,$L$-erythrose,$L$-threose.

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