1.

The acid D obtained through the following sequence of reactions is: C_(2)H_(5)Br overset("Alc. KOH")to A underset(C Cl_(4))overset(Br_(2))to B underset(("excess"))overset(KCN)toC overset(H_(3)O^(+))toD

Answer»

succinic ACID
malonic acid
maleic acid
Oxalic acid.

Solution :`C_(2)H_(5)Br overset("Alc. KOH")to CH_(2)=CH_(2)overset(Br_(2)//C Cl_(4))to CH_(2)Br-CH_(2)Br overset(KCN)to N C CH_(2)-CH_(2)CN overset(H_(3)O^(+))to UNDERSET("Succinic acid")(HOO C CH_(2)-CH_(2)COOH)`.


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