Which statement correctly defines Bohr effect

Options

A. Rise in `P_(50)` with an dec rease in `CO_(2)` concentration.
B. Rise in `P_(50)` with a increase in `CO_(2)` concentration.
C. Rise in `P_(50)` with an increase in `P_(H)` and decrease in `P_(CO_(2))` .
D. fall in `P_(50)` with a decrease in `P_(H)`

Answer

B