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MODEL PAPER 5 — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryMODEL PAPER 51 Mark
MCQ
The unit of rate constant for a first order reaction is
  • A
    Mol/L
  • B
    Mol/L/s
  • C
    Mol²/L²/s²
  • ✓
    s-1
✓

Answer

Correct option: D.
s-1
(d) s-1
Explanation: unit of rate constant for nth order reaction (k) = (mol L-1)1-n 8-1
put, n=1;
unit of rate constant for 1st order reaction(k) = s-1

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