MCQ
What is rate constant of a first order reaction if time required to decrease concentration of reactant from $1.6 M$ to $0.4 M$ is 12 hour?
- A0.78 hour $^{-1}$
- ✓0.116 hour $^{-1}$
- C0.4 hour $^{-1}$
- D0.167 hour $^{-1}$
✓
Answer
Correct option: B.
0.116 hour $^{-1}$
B
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The preparation of alkyl fluoride from alkyl chlor ide, in presence of metallic fluorides is known as
Which among the following compounds undergoes $\mathrm{SN}^2$ reaction fastly ?
→Aniline on reaction with bromine water produces ________________
Naturally αcurring glucose is
Identify the compound 'D' in above mentioned series of reactions.
What is true for an adiabatic process ?
The colour and magnetic nature of manganate ion $(MnO _4{ }^2-)$ is
→While assigning $R, S$ configuration the correct order of priority of groups attached to chiral carbon atom is
→The Electromotive Force of the following Cell $Cu \left| Cu ^{++}(1 M ) \| A ^{+} g (1 M )\right| Ag$ is _________if$E _{ Cu ^{++}}=0.33 V$ and $E ^0 Ag ^{++} / Ag =0.79 V$
→The reaction in which two molecules of chlorobenzene reacts with metallic sodium in presence of dry ether forming diphenyl is an example of