can be taken as the time taken for the concentration of reactant to drop to of its initial value. If the rate constant for a first order reaction is k the can be written as |
|||||||

1) |
0.75 /k |
2) |
0.69 /k |
3) |
0.29 /k |
4) |
0.10 /k |

can be taken as the time taken for the concentration of reactant to drop to of its initial value. If the rate constant for a first order reaction is k the can be written as |
|||||||

1) |
0.75 /k |
2) |
0.69 /k |
3) |
0.29 /k |
4) |
0.10 /k |

1 Answer

127 votes

Initially a 0

After time t (a-x) x

After

For the first order kinetics ,

127 votes

127