Question 7.IT.8: Two isomeric compounds vapour density (45) gave the followin......
Two isomeric compounds vapour density (45) gave the following results on analysis, C = 40%, H = 6.67% and rest is oxygen. Each of them gives effervescence with NaHCO_3 and gives monoester and monoacetyl derivatives. Compound (A) on heating with NaOH/I_2 produced iodoform and disodium oxalate while (B) on heating produced an unsaturated acid which on decarboxylation gives ethylene. If (A) and (B) both are heated separately then, what would be the total number of stereisomers formed in the final products?
Step-by-Step
\text {(A)}= CH _3 CHOHCOOH \\ \text { (B) }= CH _2 OHCH _2 COOH
(A) Gives cyclic diester when two moles of (A) combines which have two forms cis and trans, cis is racemic mixture while trans is meso.
(B) Gives no stereisomers because it is beta hydroxyl acid which gives α, β unsaturated acid.
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