Inversion of sucrose (C_(12)H_(22)O_(11)) is first-order reaction and is studied by measuring angle of rotation at different instants of time underset(d)underset("Sucrose")(C_(12)H_(22)O_(11))+H_(2)Ooverset(H^(+))rarrunderset(d)underset("Glucose")(C_(6)H_(12)O_(6))+underset(l)underset("Fructose")(C_(6)H_(12)O_(6)) If (r_(oo)-r_(0))=a and (r_(oo)-r_(t))=(a-x) (where r_(0),r_(t) and r_(oo)) are the angle of rotation at the start, at the time t and at the end of the reaction respectively, then there is 50% inversion when :

Inversion of sucrose (C_(12)H_(22)O_(11)) is first-order reaction and

1.	Inversion of sucrose (C_(12)H_(22)O_(11)) is first-order reaction and is studied by measuring angle of rotation at different instants of time underset(d)underset("Sucrose")(C_(12)H_(22)O_(11))+H_(2)Ooverset(H^(+))rarrunderset(d)underset("Glucose")(C_(6)H_(12)O_(6))+underset(l)underset("Fructose")(C_(6)H_(12)O_(6)) If (r_(oo)-r_(0))=a and (r_(oo)-r_(t))=(a-x) (where r_(0),r_(t) and r_(oo)) are the angle of rotation at the start, at the time t and at the end of the reaction respectively, then there is 50% inversion when :
Answer» `r_(0)=2r_(t)-r_(OO)` `r_(0)-r_(t)-r_(oo)` `r_(0)=r_(t)-2r_(oo)` `r_(0)=r_(t)+r_(oo_` ANSWER :A