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
Question ID - 100471 | SaraNextGen Top Answer
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
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|
1) |
0.75 /k |
2) |
0.69 /k |
3) |
0.29 /k |
4) |
0.10 /k |
1 Answer
127 votes
Answer Key / Explanation : (3) -
Initially a 0
After time t (a-x) x
After 
For the first order kinetics ,
127 votes
Answer Link
127