Consider the following graph which shows heat of combustion of isomeric butenes and give answers to th given questions. P and R are :

Consider the following graph which shows heat of combustion of isomeri

1.	Consider the following graph which shows heat of combustion of isomeric butenes and give answers to th given questions. P and R are :
Answer» CHAIN isomers GEOMETRICAL isomers Position isomers Tautomers Solution :`[ALPHA"^(@)]_(T)^(LAMDA)=(alpha)/(Cl)=(-2.4)/=-12^(@)` `""1/10xx2` Optical purity `=([alpha])_(MIX)/([alpha]_(pure))xx100=4/12xx100=33.33%`