Which of the following nuclear change is incorrect? a)`._(20)Ca^(40) + ._(0)n^(1) rarr ._(19)K^(40) + ._(1)H^(1)` b)`._(12)Mg^(24) + alpha rarr ._(14)Si^(27) + ._(0)n^(1)` c)`._(48)Cd^(113) + ._(0)n^(1) rarr ._(48)Cd^(112) + ._(-1)e^(0)` d)`._(20)Co^(43) + alpha rarr ._(21)Si^(46) + ._(1)H^(1)`

Options

A. `""_(20)Ca^(40)+ ""_(0)n^(1) rarr ""_(19)K^(40)+ ""_(1)H^(1)`
B. `""_(12)Mg^(24) + alpha rarr ""_(14)Si^(27)+ ""_(0)n^(1)`
C. `""_(48)Cd^(113) + ""_(0)n^(1) rarr ""_(48)Cd^(112) + ""_(-1)e^(0)`
D. `""_(20)Co^(43) + alpha rarr ""_(21)Si^(46)+ ""_(1)H^(1)`

Answer

C

Explanation

In nuclear chnges the sum of at. No. of L.H.S. equation=sum of at. No. of R.H.S. equation and also , mass no. on L.H.S. equation=mass no. on R.H.S.