Which of the following transformations is not correct ?

Options

A. `""_(33)As^(75) + ""_(2)He^(4) rarr ""_(35)Br^(78)+ ""_(0)n^(1)`
B. `""_(3)Li^(7) + ""_(2)He^(4) rarr ""_(5)B^(10)+ ""_(0)n^(1)`
C. `""_(88)Bi^(209)+ ""_(0)n^(1) rarr ""_(20)Ca^(40) + ""_(1)H^(1)`
D. `""_(21)Sc^(45)+""_(0)n^(1) rarr ""_(20)Ca^(45)+""_(1)H^(1)`

Answer

C

Explanation

The sum of mass no. on the L.H.S. of equation is not equal to that on the R.H.S.